Patterns of 10
Place Value
Rounding
Add/Subtract Decimals
Multiply/Divide Decimals
100

17 x 10

170

100

Which is bigger?

4.6    or    5.6

5.6

100

Round to the nearest tenth

3.12

3.1

100

one tenth plus two tenths

3 tenths

0.3

100

1.2 x 4

4.8

200

4.5 x 10

45

200

Which is bigger?

0.8     or    0.706

0.8

200

Round to the nearest whole number

6.55

7.0

Best answer: 7

200

16.1 - 4.1

12.0

Best answer: 12

200

3.6 divided by 3

1.2

300

8.79 x 100

879

300

Write this number in words

21.1

twenty one and one tenth 

 twenty one point one

300

Round to the nearest hundredth

5.678

5.68

300

8.54 + 3.2

11.74

300

1.21 x 4

4.84

400

6.8 x 1000

6800

400

Write this in standard form (as a number)


six hundred eighty-two and seven hundredths

682.07

400

Round to the nearest tens

156.783

160.00

Best answer: 160

400

4.56 - 1.4

3.16

400

6.84 divided by 2

3.42
500

40.45 x 1000

40450

500

Write in word form

32.15

thirty two and 15 hundredths

500

Round to the nearest hundred AND the nearest hundredth

198.432

200.000 and 198.430

Best answer: 200 and 198.43

500

875.43 + 12.855

888.285

500

143.32 x 12

1719.84