Mental Math
Addition within 100
Subtraction within 100
Challenging
Money
100

4+4

8

100

12 + 5

17

100

12 - 5

7

100

? - 4 = 20

Please draw the number bond, and solve the missing number.

4 + 20 =24

24 - 4 =20

100

Names of coins:

25cents, 10 cents, 5 cents, 1 cents

Quarter, dime, nickel and penny
200

10 + 10

20

200

20 + 8

28

200

18 - 9

9
200

7 + ? = 13

Solve the missing number, draw the number bond and write the family facts.

7 + 6 = 13


Family facts:

6 + 7 = 13

13 - 6 = 7

13 - 7 = 6


200

3 pennies + 1 nickel = ?cents

3+5=8 cents

300

8 + 8

16

300

15 + 24

39

300

28 - 15

13

300

7 + ? = 5 + 6 + 4

5 + 6 + 4 = 15

7  + ? = 15

? =  8

300

1 dime + 1 nickel + 4pennies =?cents

10+5+4=19

400

20+16

36

400

18 + 28 = ?

Draw number bond and solve this equation.

46

400

43 - 17 = ?

Draw number bond and solve this equation. 

26

400

Tom has 6 dimes. His brother gives him some more dimes and then Tom has 14 dimes. How many dimes did Tom's brother give to him?

6 + ? = 14

14 - 6 = 8

400

2 dimes+3nickels+4 pennies= ?cents

20+15+4=39

500

30 + 50 - 8

72

500

? - 46 = 55

Draw number bond and then solve the missing number. 

101

500

88 - ? = 39

Draw number and then solve the missing number.

49

500

Some of the customers are standing in a queue outside the store. Joe is the 3rd customer from the right. He is the 3rd customer from the left. How many customers are there standing in the queue?

Left......................Right

ooJoo

5 customers

500

2quarter+2dimes+2nickels+5pennies =?cents

50+20+10+5=85cents