G1A Addition and Subtraction

Addition

100

11 + 2 + 3

16

200

9 + 3

12

300

15 + 3

18

400

20 + 6 + 10

36

500

12 + 13 + 14

39

Addition 2

100

25 + 10

35

200

24 + 3

27

300

46 + 12

58

400

13 + 21

34

500

23 + 28

51

Subtraction

100

4 - 3

1

200

7 - 4

3

300

11 - 3

8

400

18 - 2

16

500

19 - 4 - 2

13

Subtraction 2

100

25 - 10

15

200

21 - 18

3

300

26 - 14 - 10

2

400

56 - 24

32

500

63 - 20 - 11

32

Word Problem

100

Sophie picked apples and placed them in three baskets:

• The first basket had 8 apples,

• The second had 6 apples,

• The third had 5 apples.

Then she gave 7 apples to her neighbor.
How many apples does she have left?

12 apples left

200

There were:

• 7 chairs in the front row,

• 9 chairs in the middle row,

• 4 chairs in the back row.

Later, 6 chairs were taken away for repairs.
How many chairs are still in the classroom?

14 chairs still in the classroom

300

Alex has:

• 6 toy cars,

• 5 action figures,

• 7 building blocks.

He gave 4 toys to his little brother.
How many toys does Alex have now?

Answer: 14 toys left

400

Lena borrowed books from the school library on three visits:

• 4 books on Monday,

• 6 books on Wednesday,

• 8 books on Friday.

She returned 5 books on Sunday.
How many books does she still have?

13 books still borrowed

500

At a birthday party, there were:

• 10 red balloons,

• 3 green balloons,

• 6 blue balloons.

By the end of the party, 9 balloons popped.
How many balloons are still floating?

10 balloons still floating