Math Review

Tens and ones

100

16. How many tens and ones

1 ten 

6 ones 

200

12. How many tens and ones?

1 ten 

2 ones 

300

19. How many tens and ones

1 ten

9 ones 

400

14. How many tens and ones

1 ten 

4 ones 

500

23. How many tens and ones

2 tens 

3 ones 

addition

100

9 +____ + 1 = 16

6

200

8 + 2 + ___= 15

5

300

2 + 6 + 8 =

16

400

c. 4 + 3 + 7 =

14

500

____+ 1 + 9 = 18

8

subtraction

100

11 − 8 =___

3

200

15 − 5=

10

300

19-8

11

400

___-7=4

11

500

18-____=6

12

number sentence

100

 12 − 9 =

3

200

15 − 6 =

9

300

8 + ____= 12

4

400

12 = ____+ 7

5

500

b. 9 + 4 =___

14

Word problems

100

Mr. Baggy has 9 birds, 15 snakes, and 12 turtles. Mr. Baggy sold 8 turtles. How many turtles does he have left? Explain your solution using a number bond or a math drawing. Write a number sentence. Complete the statement.

12-8=4

12 is the whole 

8 is the part 

Mr. Baggy has 4 turtles left

200

Mr. Baggy has 9 birds, 15 snakes, and 12 turtles. Mr. Baggy sold some snakes. Now, he has 5 snakes left. How many snakes did he sell?

10

300

Mr. Baggy counted 10 goldfish in a big tank and 5 goldfish in a small tank. He sold 8 goldfish out of the big tank. How many goldfish did he have left in all? Explain your answer using a labeled math drawing and a number sentence.

15-8= 7

10-8=2

2+5=7

400

Mr. Baggy has 9 birds, 15 snakes, and 12 turtles. How many animals does he have?

36

500

Mr. Baggy has 9 birds, 15 snakes, and 12 turtles. How many animals does he have?

How many tens? how may ones? 

36. 

3 tens 

6 ones