Review

Unit form

100

What is 5 tens and 4 ones in unit form

54

200

What is 2 hundreds, 9 tens and 1 ones in unit form

291

300

What is 4 hundreds 6 tens and 7 ones in unit form

467

400

What is 8 thousands, 5 hundreds, 6 tens and 2 ones in unit form

8,562

500

What is 9 thousands, 1 hundreds, 9 tens and 1 ones in unit form

9191

Zero Trick

100

50 x 3

150

200

90 x 3= 

270

300

40 x 3

120

400

80 x 3=

240

500

110 x 2=

220

Fact Family

100

What is another way of writing 3x4=12

4x3=12

12/4=3

12/3=4

200

What is another way of writing 2 x 4= 8

4x2=8

8/4=2

8/2=4

300

What is another way of writing 21 x 7= 3

7x3=12

21/7=3

21/7=3

400

What is another way of writing 5 x 4= 20

4x5=20

20/4=5

20/5=4

500

What is another way of writing 3 x 8= 24

8x3=24

24/8=3

21/3=8