Multiplication
PEMDAS
Shapes
Helper Facts
Multiplication of Large Factors
100

5x2

10

100

(5+4)+10

19

100

A 5 sided figure with 5 straight sides and is a closed shape. Hint- It is shaped like a house.  

What is a pentagon 

100

What helper facts can I used to solve 

6x7

6x6 or 7x7

100

11x5

55

200

7x4

28

200

(8+2)-6

4

200

A shape that has 2 sets of parallel lines and has 4 equal sides

What is a square 

200

What helper facts can I use to solve 5x4 

5x5 or 4x4
200

12x9

108

300

8x4

32

300
(2x4)+4

12

300

A 3 sided figure that comes to a point. Hint- What shape only has 3 sides

What is a triangle

300

What helper facts can I use to solve 7x8

7x7 or 8x8

300

12x11

132

400

12x6

72

400

(8x12)+24

120

400

What are two lines that will never meet called? These two lines no matter how far or long you draw them will never meet together.  

What are Parallel lines

400

What helper fact can I use to solve 12x11

12x12 or 11x11

400

13x2

26

500

12x11

132

500
(20x4)+5

85

500

Another word that we can use for equal sides is? 

Hint- this word begins with a C

What is congruent

500

What helper fact can I use to solve 10x9

10x10 or 9x9

500

5x14

70


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