Math Review 10.20.2020

Addition

100

5+ 6= 

11

200

10+ 4= 

14

300

20+10=

30

400

25+9=

34

500

400+300=

700

Subtraction

100

9-1= 

8

200

10- 4= 

6

300

50-10=

40

400

84-22=

62

500

100-60=

40

Counting

100

• Count by 2's: 2,4,__ , 8,__ ,12, 14, 16,18, 20,__ .

6, 10, 22

200

• Fill in the blank: 1, 2, 3,___ ,5,6 ,7,8,___ ,10, 11,12,13,___ , 15,16, 17, 18,___ ,20.

4, 9, 14, 19.

300

• How many groups of 2s are in 6? 

3

400

• How many groups of 2s are in 10? 

5

500

• How many 100's are in 300? 

3

Symbols

100

(<,>, =)   

Which symbol should go in the middle?

35 ( ) 52

<

200

(<,>, =)   

Which symbol should go in the middle?

2 ( ) 2

=

300

(<,>, =)   

Which symbol should go in the middle?

35 ( ) 52

<

400

(<,>, =)   

Which symbol should go in the middle?

135 ( ) 12

>

500

(<,>, =)   

Which symbol should go in the middle?

5,000 ( ) 1,000

>

Word Problems

100

Jill had 9 pencils and she gave 4 away. 

How many does she have left? (a) 5 (b) 13 (c) 9

(a) 5

200

John had 4 fish and he brought 7 more?

How many fish does he have in all? (a) 2 (b) 3 (c) 11

(c) 11

300

James drew 2 stars, 1 heart, and 5 diamonds. How many shapes did James draw in all? 

8 shapes

400

Sally brought 10 candies and 3 chips from the corner store on her way to school. She dropped 3 candies and 1 chip. 

How many candies and chips does she have left? 

7 candies and 2 chips. 

500

Alice had 24 apples, 10 grapes and 6 oranges in her picnic basket. She gave Andre 10 grapes. 

How many fruits does she have left? 

30