Place Value
Rounding Decimals
Ordering Decimals
Grouping Place Value
Powers of 10
100

Thirty four is the same is 34. What is seven thousand and eighty five the same as?

7,092

100

Round 765 to the nearest 10.

770

100

Here are 5 digits: 3,2,5,6,1. Arrange them to make the nearest number to 30,000. Use each digit once.

31,256

100

How many 10 cent coins make $2?

20

100

What is 309 x 10?

3090

200

Write the number 7,565,842 in words.

Seven million, five hundred and sixty five thousand, eight hundred and forty two.

200

Round 735,923 to the nearest ten thousand.

740,000

200

Write the next 3 numbers in this sequence: 18.3, 18.2, 18.1, ...

18.0, 17.9, 17.8

200

What is the maximum number of $100 notes you could use to make $54,683?

546

200

What is 100 times bigger than 843,506?

84,350,600

300

Estimate the decimal shown by the arrow on the number line (drawn by your teacher).

1.5

300

Round 184.3 to the nearest whole number.

184 (not 184.0)

300

What number is two-hundredth less than 9?

8.92
300

Janice had $79.80 in 20 cent coins. How many 20 cent coins did she have?

399 coins

300

Round 174.8963 to two significant figures.

170.0000

400

Which letter on the number line best represents 3.0?

C

400

Round 18.76258 to the nearest tenth.

18.8

400

Order these from smallest to largest: 3.65, 3.065, 3.56, 3.665, 3.506

3.065, 3.506, 3.56, 3.65, 3.665

400

How many hundreds are in all of 545,982

5,459

400

What number is 100 times smaller than 765?

7.65

500

Estimate the decimal number shown by the arrow.

0.75 (half of 1.5)

500

Round 1,284.360598 to the nearest hundredth.

1,284.36

500

Rachael ran the cross country in 22.45 minutes. Monica took 9 tenths of a minute longer. How long did it take for Monica to run the cross country?

23.35 minutes

500

How many thousands are in all of 6,784,210?

6,784 or 8,934.210

500

What is 84,275.9 divided by 1000?

84.2759