Multiplication
Addition
Jolly Rounding
Daring Division
Decimal Patterns
100

0.4 x 0.6 

0.24

100

0.61 + 0.49 

1.10

100

Round to the nearest tenths.

0.4300

0.4

100

3.5 divided by 7

0.5

100

51.8 divided by 1

51.8 divided by 10

51.8 divided by 100

51.8

5.18

0.518

200

0.14 x 0.3

0.042

200

0.039 + 0.5 +

0.539

200

Round to the nearest thousandth.

0.4039

0.404

200

0.56 divided by 0.08

7

200

18.1 divided by 1 

18.1 divided by 10

18.1

1.81

300

0.43 x 0.20

0.086

300

0.50 + 0.49

0.99

300

Round to the nearest tenth.

0.5900

0.6

300

Estimate the quotient  

15.5 divided by 4

4

300

32.4 divided by 10

32.4 divided by 101

32.4 divided by 102

32.4

3.24

0.324

400

0.80 x 0.30

0.0240

400

0.9 + 0.34

1.24

400

Round to the nearest ten-thousandth

0.0124

0.012

400

4.9 divided by 7 

0.7

400

17.2 divided by 1 

17.2 divided by 10

17.2 divided by 100

17.2

1.72

0.172

500

0.60 x 0.2

0.120

500

0.47 + 0.3

 0.77

500

Round to the nearest tenth.

0.4032

0.4

500

1.8 divided by 0.9

2

500

61.8 divided by 100

61.8 divided by 101

61.8 divided by 102

61.8

6.18

0.618