1st grade Addition and Subtraction

2 digit addition

100

11+10

 21

200

12+15

 27

300

what is 10 more of 25

 35

400

22+45

67

500

what is 10 more of 32

42

Addition

100

5+6

11

200

4+5

9

300

6+3

 9

400

4+6

 10

500

7+4

11

2 digit Subtraction

100

11-10

 1

200

15-10

5

300

20-15

5

400

22-18

 4

500

50-45

 5

Word problems

100

Read the sentence:

Emma has 2 red balloons and 3 red balloons. How many balloons does Emma have in total?

Is this an addition or subtraction problem?

Addition

200

Read the sentence:

There are 3 cookies. Jack ate 2 cookies. How many are left?

Is this an addition or subtraction problem?

Subtraction

300

Solve:

Sally has 10 balloons. 5 balloon popped. How many are left?

 5

400

Solve:

Carmen baked 3 cookies and 5 brownies and 6 cakes. How many desserts does she have all together?

 14

500

Solve:

Lily had 10 stickers. She got 5 more from her friend, but then she gave 3 stickers to her brother. How many stickers does Lily have now?

 12