Key Words

Word Problems

Mental Math addition

Mental Math subtraction

Fact Families

100

What does "more" mean in math?

Addition

100

Robert walked 19 blocks to the pool. Sarah walked 3 blocks to the pool. How many blocks did they walk in total?

19 + 3 = 21

100

13 + 2 = ?

15

100

2 - 1 = ?

1

100

Since 4 + 5 = 9

What is 9 - 4?

What is 9 - 5?

9 - 4 = 5

9 - 5 = 4

200

What does "less" mean in math?

Subtraction

200

Gary has 23 pencils and Jason has 11 pencils How many pencils do they have in total?

23 + 11 = 34

200

17 + 3 = ?

20

200

10 - 6 = ?

4

200

Since 7 + 5 = 12

What does 12 - 7 = ?

What does 12 - 5 =?

12 - 7 = 5

12 - 5 = 7

300

What does "fewer" mean in math?

Subtraction

300

Kevin put 6 sodas on a tray. Erin added 13 sodas to the tray. How many sodas are on the tray:?

6 + 13 = 19

300

45 + 10 = ?

55

300

12 - 4 = ?

8

300

Since 2 + 8 = 10

What does 10 - 2 = ?

What does 10 - 8 = ?

10 - 2 = 8

10 - 8 = 2

400

What does "sum" mean in math?

Answer to an addition probem.

400

Sarah made 17 cups of pudding but then ate 3 cups. How many cups of pudding does she have left?

17 - 3 = 14

400

66+4 = ?

70

400

11 - 4 = ?

7

400

Since 9 + 4 = 13

What does 13 - 9 = ?

What does 13 - 4 = ?

13 - 9 = 4

13 - 4 = 9

500

What does "difference" mean in math?

Subtration

500

Hannah put 5 scoop of ice cream in her glass. Carol had 25 scoops in her glass. How many more scoops did Carol have than Hannah?

25-5=20

500

88+2 = ?

90

500

18 - 8 =

10

500

Since 30 + 18 = 48

What does 48 - 30 = ?

What does 48 - 18 = ?

48 - 30 = 18

48 - 18 = 30

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