Ch 4 My Math review

A ​ ________ is a group of 3 numbers that work together to create addition and subtraction sentences.​

• regroup

• fact family

• difference

• subtract

You can _____ a ten into ten ones.

• subtract

• fact family

• regroup

• difference

When you _______, you take something away from another number.

• subtract

• fact family

• regroup

• difference

The answer you get when you subtract is called the _______.

• subtract

• fact family

• regroup

• difference

27 - 18

32 - 17

58 - 28

83 - 37

70 - 26

61 - 37