We Know Our Math!

Addition

Multiples/Factors

Arrays

Multiplication Facts

Doubling

100

135 + 343=

478

100

Recite the multiples of 2

0, 2, 4, 6, 8,

10, 12, 14, 16, 18,

20, 22, 24, 26, 28,

100

Demonstrate and array for 2x8

XXXXXXXX 8

2 XXXXXXXX +8

2X8=16 _____

100

2x6

100

What's 4x8? or Show 4x8 using the doubling strategy

xxxxxxxx

xxxxxxxx 2x8=16

____________________

xxxxxxxx Double it!

xxxxxxxx 16+16= 32 so, 8x4=32

200

356+265=

621

200

Recite the multiples of 3

0, 3, 6, 9, 12, 15, 18, 21, 24, 27,

30, 33, 36

200

Demonstrate an array for 5x7

XXXXXXX 7

5 XXXXXXX 7

XXXXXXX 7

XXXXXXX + 7

5x7=35 ____

200

2x8

200

What's 4x9? or show it using the doubling strategy.

xxxxxxxxx 2x9=18

xxxxxxxxx

---------------

xxxxxxxxx Double it!

xxxxxxxxx 18+18=36 so, 4x9=36

300

167+189+173=

529

300

Name the factors of 8

1,8

2,4

1,2,4,8

300

Demonstrate an array for 3x9

XXXXXXXXX 9

3 XXXXXXXXX 9

XXXXXXXXX +9

_____

3x9=27 27

300

5x7

300

What's 8x4? or show it using the doubling strategy

xxxx

xxxx 2x4=8

xxxx

xxxx 2x4=8

-------- 4x4=16

xxxx

xxxx Double it!

xxxx 16+16=32 so, 8x4=32

xxxx

400

845+ 227

1072

400

Name the factors of 15

1,15

3,5

1,3,5,15

400

Demonstrate an array for 4x7

xxxxxxx

4 xxxxxxx

xxxxxxx

400

5x9

400

What's 8x7? or show it using the doubling strategy

xxxxxxx

xxxxxxx 7x2=14

xxxxxxx

xxxxxxx 7x2=14

--------------- 4x7=28

xxxxxxx

xxxxxxx Double it!

xxxxxxx

28+28=56 so, 8x7=56