Unit 30 Math Mastery

Action Word Problems

100

Set up the number line (using S for start & E for end): 

Jan found 17 more leaves. 

17              S

----------------->  E

200

B is 10 less than J.

8 is 61. 

What number is J?

10           B

------------> J

                 6 1

              -  1 0

            -------------

                 5 1

300

R is 22 more than P.

P is 50.

What number is R?

22                   R

-------------------> P

                     5 5

               +    2 2

              --------------

                     7 7

400

Dolly had 8 bags. 

She bought 30 more bags.

How many bags did she end up with?

30              S

---------------> E 

                3 0 

            +    8

           ---------

               3  8

500

The parking lot had 81 cars in it.

Then 56 more cars came to the lot.

How many cars ended up in the lot?

56                    S

-------------------> E

                 5 6 

            +   8 1

             -----------

               1 3 7

Inequalities

100

4 - 2  ___ 3

2 < 3

200

10 + 3 ____ 14

13 < 14

300

68 ___ 58 + 10

68 = 68

400

43 ___ 20 + 20

43 > 40

500

25 + 25 ___ 40 + 9

50 > 49

Multiplication

100

2 x 1

2

200

4 x 5

20

300

7 x 10

70

400

9 x 2

18

500

9 x 9

81

Expanded Notation

100

62

50 + 12

200

30

20 + 10

300

85

70 + 15

400

56

40 + 16

500

93

80 + 13

Mental Math

100

12 + 10

22

200

58 + 10

68

300

98 - 10

88

400

300 + 200

500

500

140 - 10

130