1st Grade Math

Find the missing number

100

2+_=7

5

200

6+_=10

4

300

8-_=4

4

400

2+_=12

What is 10

500

18- _=10

8

Number Family

100

Create the number family for 5, 3, and 8

5+3=8 3+5=8 8-3=5 8-5=3

200

Create a number family for 6, 6, and 12

6+6=12 6+6=12 12-6=6 12-6=12

300

What is the number family for 6+4=10 4+6=10 10-4=6 10-6=4

6, 4, and 10

400

Create the Number family for 3 and 4

3+4=7 4+3=7 7-3=4 7-4=3

500

What is the number Family for 8+3=11 3+8=11 11-8=3 11-3=8

3, 8, and 11