Math!

What is 50-20?

• 30

• 20

• 10

What is 68-4?

• 55

• 23

• 64

When using a tens and ones mat to subtract, which number do you put on the ten and ones mat first?

• smallest number first

• biggest number first

What is ten less than 38?

• 42

• 89

• 28

How many tens are in the number 63?

• 5 tens

• 2 tens

• 6 tens

How many ones are in the number 27?

• 5 ones

• 2 ones

• 7 ones

What is 24 + 38?

• 82

• 62

• 32

Which model shows the number 36?

• 
• 
• 

What is 4 tens plus 12 ones?

• 89

• 43

• 52

What is 87- 49?

• 38

• 99

• 16