Chapter 7: Am I ready?

I will take away numbers.​ (a)  

• subtract
• add
• regroup

I will take apart numbers and put them together in different ways.​ (a)  

• regroup
• difference
• subtract

Look at the underlined parts of the numbers. Are they ONES, TENS, or HUNDREDS?:

244-126

• ONES

• TENS

• HUNDREDS

Look at the underlined parts of the numbers. Are they ONES, TENS, or HUNDREDS?:

57-39

• ONES

• TENS

• HUNDREDS

Look at the underlined parts of the numbers. Are they ONES, TENS, or HUNDREDS?:

23-12

• ONES

• TENS

• HUNDREDS

9 - 6 = ?

• 96

• 15

• 3

8 - 8 = ?

• 0

• 88

• 16

17 - 8 = ?

• 9

• 24

• 16

14 - 5 = ?

• 9

• 19

• 27

60 - 30 = ?

• 30

• 90

• 180