Unknowns
Parentheses
Multiples of 10
Patterns
Word Problems
100

3 X N=15

N=5

100

2 + ( 3 X 7 ) = 

= 23

100

30 X 7 =

= 210

100

What rule is used in the pattern below?

            68, 61, 54, 47, 40, 33 . . . .

= Subtract 7 

100

Sarah counted her crayons and found out that she has 80 crayons in her crayon boxes. Every crayon box can contain 8 crayons. How many crayon boxes does she need?

= 80 crayons ÷ 8 crayons per box = ? Boxes

= 10 Boxes of Crayons 

200

50 ÷ A = 5

A =10

200

2 X (5 + 3) =

= 16

200

50 X 8 =

= 400

200

What rule is used in the pattern below?

         6, 12, 18, 24, 30 . . . . 

= Add 6

200

There are 67 birds living near the mountain. If 32 birds flew away for winter, how many birds were left near the mountain?

= 67 birds - 32 flew away

= 35 birds left near the mountain

300

F X 6 = 54

F = 9

300

6 x (13 - 3) =

= 60

300

90 X 2 =

= 180

300

What rule is used in the pattern below?

           6, 12, 24, 48, 96, 192 . . . . 

= Multiply by 2
300

Andrew’s 4 friends decided to bring food. If each of them brought 4 slices of pizza and 3 bags of chips, how many slices of pizza do they have in total?

= 4 friends X 4 slices per friend

= 16

400

72 ÷ H = 8

H = 9

400

30 ÷ (5 + 5) =

= 3

400

70 X 6 =

= 420

400

What rule is used in the pattern below?

       486, 162, 54, 18, 6, 2 . . . . 

= Divided by 3

400

Lexie’s younger brother helped pick up all the paper clips in Lexie’s room. He was able to collect 81 paper clips. If he wants to put the paper clips in 9 boxes, how many paper clips would go in each box?

= 81 paper clips ÷ 9 boxes = ? how many per box 

=  9 per box 

500

7 X B = 56

B = 8

500

 (4 X 6) - 12 = 

= 12

500

60 X 9 =

= 540

500

What rule is used in the pattern below?

        62, 53, 44, 35, 26, 17 . . . . 

= Subtract 9

500

In order to start constructing the house, Charlie and his father needed to gather some wood from the forest. If they start with 15 planks of wood in the house and Charlie and his father got 10 planks of wood each, how many pieces of wood do they have in total?

= 15 + 10 + 10

= 35

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