Definition's
Doubles
Families of 10
Subtraction & Addition
Triple Addition & Subtraction
100

The process or skill of taking one number or amount away from another.

What is Subtraction

100

2+2

What is 4

100

10-7

What is 3

100

12-3

What is 9

100

10-2-1

what is 7

200

A thing said, written, or done to deal with or as a reaction to a question.

What is Answer

200

10+10

What is 20
200

10-4

What is 6

200

13+3

What is 16

200

9+9+1

What is 19

300

The total amount resulting from the addition of two or more numbers, amounts, or items.

What is Sum

300

9+9

What is 18

300

10-5

What is 5

300

9-5

What is 4

300

12+2+1

What is 15

400

The result of subtracting one number from another, indicating how much they differ.

What is Difference 

400

8+8

What is 16

400

10-9

What is 1

400

22-2

What is 20

400

2+6+4

What is 12

500

The process or skill of calculating the total of two or more numbers or amounts.

What is Addition

500

11+11

What is 22

500

10-1-1

What is 8

500

30+6

What is 36

500

10+11+3

What is 24

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