Unit 8: Numbers to 100 (2)

Split each number into tens and ones.

Share 20 strawberries between 5 bowls.



Complete the division number sentence.

$20 \div 5 = \square$

Tick the shapes that show quarters.

Write each of the numbers represented in words.

a



b



c 93

d 31

Read the number words and write the number.

**forty-two**

Read the number words and write the number.

**seventy-six**

Read the number words and write the number.

**twenty-five**

Read the number words and write the number.

**sixty-eight**

Use these number words to write some 2-digit numbers in words. How many different numbers can you write?

twenty seventy forty eight nine

Marcus says there is only one 2-digit number word with 12 letters, seventy-seven. Is Marcus correct?

Round each number to the nearest 10. Use the number line to help you.

| | | |
|:-:|:-:|:-:|
| 64 | 72 | 81 |
| 56 | 49 | 23 |
| 27 | 35 | 30 |

A number rounded to the nearest 10 is 60. What could the number be?

Find 4 different ways to regroup 31. Draw or write your answers.



Compare the ways you regrouped 31 with a partner. What did you do the same? What did you do differently?

Arun says: "21 is 2 tens and 1 one. $2 + 1 = 3$ so there will only be 3 ways to regroup 21 using tens and ones."

Is Arun correct? If he is correct, will Arun's method always tell you how many different ways there are to regroup a number?

Discuss with a partner.

Find the missing number.



$\frac{1}{2} \text{ of } 10 = \square$

Find the missing number.



$14 \div 2 = \square$

Find the missing number.



$\frac{1}{2} \text{ of } 8 = \square$

Find the missing number.



$\frac{1}{2} \text{ of } 4 = \square$

Find the missing number.



$20 \div 2 = \square$

Find the missing number.



$\frac{1}{2} \text{ of } 20 = \square$