Number line in tens: Number Line, 0-100 by Tens

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Skip Counting Desk Number Line — Tens

  • Non-Editable

    Non-Editable:  PDF

  • Pages

    Pages:  1

  • Curriculum

    Curriculum:  NC

  • Years

    Years:  1 — 7

An educational desk number line showing skip counting by tens.

Print and cut these number lines.

Use these educational number lines when working on skip counting by tens and number patterns.

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Numbers in Base Ten Facts, Worksheets, Tens & Ones For Kids

Worksheets /Math /Kindergarten (ages 4-5) /Numbers in Base Ten Facts & Worksheets


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Table of Contents

Understanding base ten involves understanding the ones and tens place values. For adults, learning base ten is an easy task, as adults often use numbers greater than 10. For young learners, though, learning base ten is a hard task. Below are some strategies on how to teach base ten to young learners.

See the fact file below for more information on the numbers in base ten or alternatively, you can download our 29-page Numbers in Base Ten worksheet pack to utilise within the classroom or home environment.

Key Facts & Information


  • Two-digit numbers are composed of the tens place value and the ones place value.
  • To understand tens and ones, ask some questions.
  • How many 10s are there?
  • How many 1s are there?


  • One of the easiest way for young learners to understand base ten is by grouping objects.
  • Ask the young learner to enclose 10 bananas.
  • The enclosed 10 bananas represent the tens place. Therefore, the first digit of the number is 1.
  • The remaining 2 bananas represent the ones place. Therefore, the 2nd digit of the number is 2.
  • Therefore, the total number of bananas is 12.


  • Another way to teach base ten to young learners is to let them convert the number to objects or visual representations.
  • There are 14 blank ducks. Let the young learner color 10 of them blue and color 4 of them yellow.
  • Explain that the blue ducks represent the tens place, while the yellow ducks represent the ones place.
  • Therefore the first digit is 1, and the second digit is 4. Therefore, there are a total of 14 ducks.


  • Given the previous example with 10 blue ducks and 4 yellow ducks, use the idea of addition to compose or decompose the two numbers in order to create a single two-digit number or vice versa.
  • Two-digit numbers can be broken down into how the number of tens plus the number of ones, as seen below. To better understand this, go back to the idea of basic addition using the number line.
  • Remember that the final number on the right of the number line is the total number of objects. Therefore, reading the number line above, 10 + 4 is equal to 14. Therefore, if there is 1 “ten” and 4 “ones”, the number it represents is 14.
  • Composition and decomposition is just a way of identifying how many “tens” and “ones” are in a given number. The “tens” indicate the first digit of a two-digit number, while the “ones” indicate the second digit.

Numbers in Base Ten Worksheets

This is a fantastic bundle which includes everything you need to know about the numbers in base ten across 29 in-depth pages. These are ready-to-use Numbers in Base Ten worksheets that are perfect for teaching students about the base ten which involves understanding the ones and tens place values. For adults, learning base ten is an easy task, as adults often use numbers greater than 10. For young learners, though, learning base ten is a hard task. Below are some strategies on how to teach base ten to young learners.

Complete List Of Included Worksheets

  • Lesson Plan
  • Numbers in Base Ten
  • The Blocks
  • Banana Grouping
  • Count in Tens
  • Compose
  • Tens and Ones
  • Coloring Time
  • Decompose
  • Complete Them
  • Compare the Two
  • Words to Numbers

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Use With Any Curriculum

These worksheets have been specifically designed for use with any international curriculum. You can use these worksheets as-is, or edit them using Google Slides to make them more specific to your own student ability levels and curriculum standards.

Summary of a lesson in mathematics on the topic «Number series 1-20»


Grade 2

Topic: Number series 1-20.

Purpose: Consolidation of knowledge of numbering
numbers within 20


Generalize and
fix the number series 1-20; knowledge of the decimal composition of two-digit numbers;
ability to compare numbers;

Improve numeracy skills
addition and subtraction of numbers within 20 by obtaining numbers by two
ways: adding a number to one ten and by adding one unit
to the previous number;

Correction of attention and memory for
the basis of exercises in restoring the number series; logical thinking on
basis of exercises in analysis and synthesis; activation of mental activity
the basis of exercises requiring independent search.

Raise interest in the subject,
through the use of entertaining material.

Equipment: Snowman, tree, snowflakes (1-19), cards for s/r,
d / z cards, Christmas toys with numbers, tinsel with examples, cotton wool snowball
(large), cotton balls (small-8), abacus, table (tens, units)

Lesson type — consolidation of the studied material

Lesson form — lesson-game.

Lesson progress

Organizational moment

The teacher reads a poem:

Snow is flying and

In a golden glow

Like down

All roads and houses.

Sprinkle, sprinkle

Let’s start our lesson.

(Reading a poem, teacher
distributes snowflake cards with numbers)

— We sit down “along the chain” calling the number on the snowflake. (7
9 11 13 15 17 19)

“Snow on the fields,

Ice on the rivers,

A blizzard is walking,

When does it happen?”

— Of course you know this time of year. Tell me when
This happens? (in winter).

— What a winter
your favorite holiday? (New Year)

-So, wait in
guests of Santa Claus. True, now he has no time, he has a lot to do: rivers, ponds in
put on ice, make new fur coats for the animals, paint windows, prepare gifts.

— We are with you
we will also not sit idle, but we will spend a real winter mathematical
lesson! I invited Father Frost’s assistant to the lesson, guess who?


not raised,

snow blinded.

nose deftly


— coals.

Hands —


Who am I
such? (Snowman)

And here comes our guest. Do you like it? The appearance of the snowman.

2. Setting
lesson objectives

at our winter math lesson
, together with the snowman, we will not
just play, and fix the number series, compare, add and subtract
numbers within 20.

3. Oral account

The snowman brought interesting math tasks, but they are all related to winter,
with the cold and of course with the holiday. Guessed why?

The snowman is a winter resident, in the heat he is afraid to melt, so he decided
play it safe and brought «cold» assignments. Are you afraid to freeze?


1 . «Missing numbers»

— Guys, some snowflakes fell on
board, others lie on your desks. We need to restore the number series from
snowflakes. (Children go to the board and fasten the snowflakes in place)

1 2 3 4 _ 6 _ 8 _ 10 _ 12 _ 14 _16 _18_20

What number comes before the number 10, 18, 14. 8.

the number goes with the count after the number 13, 9, 11, 6, 15.

neighbors of numbers 17, 9, 14

is the number between 2 and 4, between 15 and 17?

number to the right of 18?

number to the left of 9?

12 to 18, 13 to 8

2 Snowball fight

how much snow is on the board, you can make snowballs. Guys, let’s play snowballs?

throws a snowball to each student and calls the number: 12, 16, etc.. the children call
How many tens and units are there? And vice versa)

3 Knock knock

Well done! The snowman is happy with your answers, but he really wants to play with
you in the game «Knock-knock» (on the board is a table with two digits. The teacher is silent
taps the pointer once in the tens place, and several times in the ones place.
Children silently show the number)



4 Fun puzzles

The Snowman also has such a task. (The teacher takes the card attached to
Snowman’s hand)

Well, how many
guys here

Riding on the mountain?

Three in a sleigh

One is waiting. ( 4 )

Good in winter
forest —

Meet the squirrel and

Meet the wolf and

Hare, in general
all forest neighbors.

(how many
meet animals in the forest?) ( 5 )

Related work

pleased with your verbal responses. The remaining tasks of the Snowman will be completed in

forget that we have a winter lesson.

-Let’s warm up our hands before writing

Finger gymnastics


One, two, three, four, — bend
fingers one at a time

You and I made a snowball, — “make” two

Round, strong, — draw by hand

Very smooth, — with one hand
stroking another

And not at all sweet. — we threaten

Work in

— Write down the number.

the snowman came for a reason, he brought us something ….

such a fashionista that everyone is surprised!

I beads, sequins — any jewelry.

But on
my, believe me, great misfortune

I only get dressed once a year? (Christmas tree)

— A
Christmas tree is not simple. But with numbers. (numbers from 1 to 9 on the Christmas tree)

Write down
numbers from largest to smallest.

1 2 3
4 5 6 7 8 9

— How
what are these numbers called? (single digits)

What is the largest single number? (9)

What two digit numbers do you know? ( 10-19)

— Below
write down these two-digit numbers.

— What not
enough on our Christmas tree to make it elegant and beautiful? (Christmas decorations)

— To cheer you up for the New Year
we must decorate our Christmas tree, and your knowledge will help us in this. On our tree
toys will appear only if we complete all the tasks correctly

«Compare numbers» (on real
Numbers are written on Christmas balls, if they put the sign correctly, they hang it on the Christmas tree
Christmas tree toy)

5*17 15*12 16*16 10*19

13*14 17*19 14*15

Are you tired? And now everything
stood up together. We’ll have a little rest and exercise.

It’s cold outside (Let’s hug ourselves
behind the shoulders)
Pinches the ears, pinches the nose (Rubbing
ears and nose)
So that the nose does not freeze, we warm ourselves
now (jumping)
Let’s clap our hands, stomp our feet.

It remains to hang tinsel on the Christmas tree
(there are cards with examples on it)

10 + 6 14 + 1 18 — 1

10 + 8 19 — 1 17 + 1


Guys, it seems to me that something is happening with the snowman. He began to melt. Not
his «cold» assignments helped him, warmth from your friendly work
turned out to be stronger.

there is a remedy that can save the snowman. Here are the ice cubes. If they
disenchant, and only you can do it, the snowman will not melt.

Ready to help the snowman?

write examples in your notebook and solve them. (Everyone has their own task)

5. Lesson summary.

Today we
you have worked hard. How do you think you coped with the tasks of the Snowman?

— let’s
remember what tasks we performed?

Reflection: Guys, let’s decorate
our Christmas tree with snowballs made of cotton wool. If you are satisfied with your work in the lesson and the lesson
If you like it, then attach your snowball to a branch of the Christmas tree, if you don’t like it
then put the snowball under the Christmas tree.


I want
to thank you for today’s lesson, and as a gift to give you an unusual
homework. After completing it, you will receive a New Year’s card.

900 10


One, two, three, four, —

You and I made a snowball, — «sculpt» with two

Round, strong, — draw a circle with hands

Very smooth, — — with one hand
stroking another

And not at all sweet. we threaten

In our warm

We stomp a little

We also use our hands
Let’s warm up

And clap soon

Mittens we
put on

We are not afraid

We are with frost
made friends

Like snowflakes

Open lesson in mathematics «Number series 1-15. Counting objects». | Lesson plan in mathematics (grade 2) on the topic:


1) generalize and systematize the knowledge acquired by children when studying the numbering of numbers from 1 to 15, consolidate knowledge of the composition of numbers within 15; improve oral computing skills;

2) develop memory, thinking, imagination;

3) correction of attention based on exercises in finding differences;

4) develop motivation for learning.

Equipment: telegram, an envelope with a note, pictures depicting two fairy-tale characters, stoves, a bell, a number series, toys, number cards, a cartoon «Vovka in the Thirtieth Kingdom».

Course of the lesson

I. Organizational moment


The bell is ringing,

Begins … (lesson).

Our third lesson is … (mathematics).

1. Breathing exercise

«Deep breath»

— Breathe in through the nose, hold the breath, count to five, and exhale through the mouth. Repeat the exercise three times.

2. Set the children up for the lesson

(Musical accompaniment «Smile ka»)

— Let’s give each other a good mood:

900 10 The radiant sun is not divided into parts,

And the eternal land cannot be divided,

But a spark of happiness of a golden ray

You can, you are able to give to friends.

— Guys, I smile at you, you smile at me. A smile can warm others with its warmth, show your friendliness and improve everyone’s mood. A good mood always helps to cope with any task and achieve good results.

3. Checking readiness for the lesson

— Today is an unusual math lesson. On it, all students of the class will go to the magical world.

Our lesson will be like a fairy tale,

We can’t get anywhere without knowledge.

Taking with us a pencil, a textbook, a pen and a notebook,

Let’s go there.

Let’s go on a journey,

Let’s get into the land of fairy tales!

Listen, think, observe,

Meet the fairy tale with joy!

4. Entering the fairy tale

— So, are you ready to go to the fairy tale?

— When the bell rings 3 times it is necessary: ​​

2 times stomp with the left foot,

3 times clap above the head.

Turn right, left, back.

Say: 1, 2, 3 — come visit a fairy tale!

5. Viewing an excerpt from the cartoon «Vovka in Far Far Away»

atic state,

Vovka has a path,

He is in a hurry to get there.

It won’t be easy on the way,

Invites us to go!

We will overcome obstacles together,

We will be able to accomplish everything!

— We will need to help the cartoon character find a way out of a variety of difficult situations. We can only do this if we are very careful.

( Knock on the door. The postman Pechkin enters. )

— Hello, you have a telegram and a letter. Pass the postman Pechkin, sit down. Take a break from the road, and the guys will show you how smart they are.

( Reading telegram )




Letter: Task No. 1: Attention exercise ( cards ). Group work.

— This attention exercise will help us, according to Vovka, to cope with the tasks. Consider pictures. what are the similarities and differences between two from a casket of identical faces.

— Guys, you are great! you have completed this task.

II. Oral account

— And we continue on. ( Knock on the door. ) Who came to us?

— We are Vasilisa from different fairy tales. came to the gathering of young Vasilis for the exchange of wisdom. We have prepared for you 2 task.

a) Individual work ( Two children at the blackboard. )

1st: composition of numbers: 15, 12, 14.

2nd: composition of numbers: 11, 15, 13.

— What numbers are missing?

b) Frontal work

1. Count up and down within 15. Name and show. ( Work with number cards .)

c) Checking individual work.

2. The game «Quick problems»

( Children show the answer with a number card. )

1st Vasilisa:

Mushrooms dried under the bushes,

Well, and in the rain, of course , wet.

10 yellow mushrooms,

Yes 2 red chanterelles —

Very cute little sisters.

You guys don’t be silent,

How many mushrooms are there? Tell. (12)

2nd Vasilisa:

Our motley hen

has 14 chickens.

And suddenly 4 ran away.

And there are no yellow guys.

How many fluffy chickens are left

? (10)

3rd Vasilisa:

Here are 10 rabbits walking along the path,

5 more run after them.

So how many are on the forest path

Bunnies in a hurry to get home? (15)

Vasilisa: «Guys, you are great!!! You coped with all the tasks. And it’s time for us to hit the road. We were glad to meet you!»

III. Finger gymnastics

«Visiting the big finger»

Visiting the big finger,

Came straight to the house

Index and middle,

Nameless and last.

The baby’s little finger itself

Knocked on the threshold.

Fingers are friends together,

They cannot live without each other.

IV. A minute of calligraphy

— What number and number did we meet in the last lesson? What do you know about the number 15?. How many tens and ones are there in 15?

— Open the notebooks and write down the number 15.

— Show how the notebook should lie, how you should sit at your desk.

— Take a red pencil and circle the most beautiful number you have written.

V. Presentation of the topic of the lesson

VI. Learning new material

( Knock on the door. ) Oh, who came to us? I am a king. I am the smartest and I want you to show what you know and can do.

— In front of you is a magical path. ( Card )

0 . 2. 4 . 6. 8 . 10 . 12 13 . .

  • Read the numbers.
  • Let’s restore the number series. Who guessed what numbers to put instead of dots?
  • Name the number that immediately follows the numbers 6, 8.
  • Name the neighbors of the number 8, 12.
  • Name the number that is called between the numbers 4 and 6, 12 and 14 when counting.
  • What is the largest number.

— Write this number series in your notebooks. Underline the missing numbers with a pencil.

VII. Physical education + gymnastics for the eyes

— And now let’s close our eyes. Together we will count up to 5. We open our eyes and blink quickly. Well done. And look who meets us? ( On the board is a picture with an image from the stove .)

— To whom, to whom are hot pies, with cabbage and meat ?. To do this, you and I need to chop wood, fire up the stove.

We chop, we chop wood.

1, 2, 1, 2.

There will be firewood for the winter.

1, 2, 1, 2.

Now we can handle the log.

We are sawing, we are sawing, we are sawing, we are sawing.

1, 2, 1, 2.

There will be firewood for the winter.

1, 2, 1, 2.

It’s time to bake pies.

VIII. Consolidation of the material

1. Work according to the textbook.

2. The king has prepared the next test for you ( On the table toys ).

— What do you see on the table? Count the toys. How many toys are in the first row? How many in the second? How many toys are on the table?

— Which of the toys comes first? What toy is next? What is the cost of a teddy bear?

3. Geometric material ( Card )

— If we complete the last task, Vovka will return home.

Don’t yawn, my friend,

Answer questions.

— Which lines are shown? What shapes do you see in this picture? How many lines are in the picture? squares? Rectangles? Circles?

— We helped Vovka get home, he asked me to tell you that you did an excellent job with all the tasks, that you are the best students of the 2nd grade. He promised that he would definitely come to visit you again.

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