Grade 1 Math Review

Number Sequences

100

Count by 1's to 26 from 21 

21, 22, 23, 24, 25, 26 

200

Count backwards by 1's from 72 to 68

72, 71, 70, 69, 68

300

Count by 2's from 10 to 20 

10, 12, 14, 16, 18, 20

400

Count by 5's from 0 to 25 

5, 10, 15, 20, 25 

500

Count backwards by 5's from 30 to 20 

30, 25, 20 

How many more or less?

100

What is 1 more than 1?

2

200

What is 1 less than 19

18

300

What is 2 more than 14 

16

400

What is 3 more than 15

18

500

What is 2 less than 13 

11

Addition

100

2+3=

5

200

6+4=

10

300

8+3=

11

400

5+12=

17

500

13+6=

19

Subtraction

100

5 - 4 = 

1

200

7 - 5 = 

2

300

13 - 6 = 

7

400

18 - 8 = 

10

500

17 - 11 = 

6 

Patterns and Sequences

100

What is missing in the sequence? 1, 2, 3, 4, _, 6, 7, 8...

5

200

What is missing in the sequence? 4, 6, 8, 10, _, 14, 16...

12

300

What is missing in the sequence? 1, 3, 5, _, 9...

7

400

What is missing in the pattern a, h, r, l, _, h, r, l, a, h, r, l...

a

500

What is missing in the pattern? 3, 7, 4, 5, 3, 7, _, 5, 3...

4