1st Grade - Show A Number In Different Ways

 
     
 
     
 
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1st
Numbers
Show a Number in Different Ways
Represent equivalent forms of the same number through the use of physical models, diagrams, and number expressions (to 20)
Your child will be able to demonstrate their ability to build numbers from 1 – 20 in multiple ways. For example, building numbers using tens and ones cubes, tally marks and simple addition.
 

Sample Problems

(1)

Write the number 25 in two different ways.

(2)

Write the number 16 in two different ways.

(3)

How many tens and ones are in the number 71?

(4)

How many tens and ones are in the number 19?

(5)

Write 100 using only tally marks.

Learning Tips

(1)

Discuss place value with your child. Explain that when a number is a single digit, that number is automatically in the ones place. When a number is two digits, the number on the left is the value for the tens place and the number on the right is the ones place. Write out numbers together and have your child tell you the number that is in the tens place and the number that is in the ones place.

(2)

Once your child gains an understanding of the tens and ones places, the next step is teach him/her that our number system is a ten-based system. In this system, every number in the tens places is worth ten. So that if he/she sees a 2 in the tens place, it represents 2 sets of ten, which is twenty. This is a difficult concept for children to grasp. It will take time and a lot of practice

(3)

Create a Tens and Ones place mat. To do this, take any sheet of paper and fold in half. Write “TENS” at the top of the left side and “ONES” at the top of the right side. Using any type of manipulatives (subes, coins, beans, rices, plastic chips, etc). Play number games wherein your represents two digit numbers by stacking sets of tens on the left side and placing individual ones on the right side of the mat. This will provide tangible learning experiences that will help your child gain an understanding of the ten-base system.

(4)

Play creative writing games with numbers. When practicing number writing or addition and subtraction problems, ask your child to represent the numbers he/she writes in any way he/she would like, so long it is not in standard written numbers (i.e. 1, 2, 3, etc). He/she can use tally marks, roman numerals, diagrams, stick figures, etc. Practicing numbers in the way will help your child understand that numbers can be represented in multiple ways.

(5)

Build numbers with dominoes or dice. Ask your child to build specific numbers using only dominoes or dice. Again, observing numbers in this manner will assist your child in learning that numbers can be represented in multiple ways.

Extra Help Problems

(1)

Sketch the number 30 by drawing tens and ones cubes.

(2)

Sketch the number 51 by drawing tens and ones cubes.

(3)

Sketch the number 99 by drawing tens and ones cubes.

(4)

Sketch the number 17 by drawing tens and ones cubes.

(5)

Sketch the number 38 by drawing tens and ones cubes.

(6)

Write out the number 44 using tally marks.

(7)

Write out the number 60 using tally marks.

(8)

Write out the number 83 using tally marks.

(9)

Write out the number 5 using tally marks.

(10)

Write out the number 11 using tally marks.

(11)

Write the answer to the following problem using tally marks or shapes:

1 + 5 =

(12)

Write the answer to the following problem using tally marks or shapes:

8 + 1 =

(13)

Write the answer to the following problem using tally marks or shapes:

2 + 4 =

(14)

Write the answer to the following problem using tally marks or shapes:

5 + 3 =

(15)

Write the answer to the following problem using tally marks or shapes:

6 + 2 =

(16)

Copy the following math problem by drawing tens and ones cubes, and write your answer using standard numbers:

3 + 2 =

(17)

Copy the following math problem by drawing tens and ones cubes, and write your answer using standard numbers:

7 + 4 =

(18)

Copy the following math problem by drawing tens and ones cubes, and write your answer using standard numbers:

9 + 3 =

(19)

Copy the following math problem by drawing tens and ones cubes, and write your answer using standard numbers:

1 + 9 =

(20)

Copy the following math problem by drawing tens and ones cubes, and write your answer using standard numbers:

8 + 8 =

(21)

Represent the number 9 using any type of model you would like.

(22)

Represent the number 15 using any type of model you would like.

(23)

Represent the number 3 using any type of model you would like.

(24)

Represent the number 7 using any type of model you would like.

(25)

Represent the number 22 using any type of model you would like.

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