module 1 HMH math

three addends

100

2+2+4

8

200

5+2+6

12

300

8+7+2

17

400

4+7+7

18

500

9+7+4

20

adding using a 10

100

4+9

10+3=13

200

7+8

10+5=15

300

9+5=

10+4=14

400

5+8

10+3=13

500

6+5

10+1=11

doubles

100

1+1

2

200

3+3

6

300

5+5

10

400

7+7

14

500

9+9

18

subtracting using a 10

100

11-5

10-4=6

200

15-7

10-2=8

300

18-9

10-1=9

400

14-8

10-4=6

500

13-5

10-2=8

story problems

100

Paul has 14 marbles. He gives away 6 marbles. How many marbles does Paul have left?

8 marbles

200

Jack has 12 toy cars. He has 5 red cars. The rest are blue. How many blue cars does Jack have?

7 blue cars

300

Molly runs 8 laps. Then she runs 4 more laps. How many laps did Molly run?

12 laps

400

Hal has 8 marbles. Jan has 3 more marbles than Hal. How many marbles does Jan have?

11 marbles

500

Lana is building a tower with blocks. She wants to use 15 blocks. Lana only has 8 blocks. How many more blocks does Lana need?

7 more blocks