Rounding

Rounding numbers part 1

100

Round 5.6443 to one decimal places

5.6

200

Round 10.099 to two decimal places

10.10

300

Round 0.0999 to the nearest whole number

0

400

Round 0.0999 to one decimal places

0.1

500

Round 23.008 to two decimal places and the nearest whole number

23.01 and 23

Rounding numbers part 2

100

Round 9.8774 to two decimal places

9.88

200

Round 12.500 to one decimal places

12.5

300

Round 5.6543 to two decimal places and the nearest whole number

5.65 and 6

400

Round 20.099 to one decimal place and the nearest whole number

20.1 and 20

500

Round 0.009 to one and two decimal places and the nearest whole number

0.0 and 0.01 and 0

Significant figures part 1

100

Round 12 345 to two significant figures

12 000

200

Round 33 190 to three significant figures

33200

300

Round 712 984 to four significant figures

713000

400

express 0.0064735 to 4 significant figures

0.006474

500

Change 2 5/9 to a decimal using your calculator. Express the answer correct to 2 decimal places

2.56

Significant figures part 2

100

Round 33.7 to two significant figures

34

200

Round 5.43409098 to two significant figures

5.4

300

express 0.0085735 to 1 significant figures

0.009

400

express 0.0064735 to 3 significant figures

0.00647

500

Change 2 5/9 to a decimal using your calculator. Express the answer correct to 2significant figures

2.6