Place Value Power
Compare It!
Round It Off
Word Problem Wonders
Decimal Detectives
100

True or False: In the number 3.405, the digit 5 is in the thousandths place.

True 

100

Which is greater: 0.5 or 0.05?

0.5

100

Round 36.78 to the nearest tenth.

36.8

100

A toy store made $20 in sales. It earned $12.45 from puzzles. How much money came from board games?

$7.55

100

Subtract: 18.92 − 7.486

11.434

200

Which digit is in the hundredths place of 56.947?

4

200

Write the correct symbol: 7.62 ___ 7.605

7.62 > 7.605

200

Round 9.64 to the nearest whole number.

10 

200

The distance from Houston to Katy is 27.68 miles one way. How many miles is a round trip, rounded to the nearest whole mile?

55 miles

200

Add: 245.637 + 89.48

335.117

300

What is the value of the 7 in 0.078?

7 hundredths (or 0.07) or (7 x 1/100)

300

True or False: 0.7 = 0.70

True

300

Round 18.297 to the nearest hundredth.

18.30

300

A jump rope is 35 inches long. One student cut off a piece that was 16.25 inches, and another student cut off a piece that was 12.5 inches. How much longer was the 16.25-inch piece than the 12.5-inch piece?

3.75 inches

300

Subtract: 104.506 − 58.729

45.777

400

Write 43.208 in expanded form notation with fractions.  

4 × 10) + (3 × 1) + (2 × 1/10) + (0 × 1/100) + (8 × 1/1000)

400

4.23 is greater than 4.203 because of which place value?

The hundredths place

400

Which student is correct? Rounding 2,451.698 to the nearest hundred:

  • A: 2,400

  • B: 2,500

  • C: 2,460

  • D: 2,450

 (B) 2,500

400

A watermelon weighs 18.462 kilograms, and a cantaloupe weighs 12.95 kilograms.
a) What is the combined weight of the two fruits?
b) How much heavier is the watermelon than the cantaloupe?

a) Total = 31.412 kg

b) Watermelon is 5.512 kg heavier

400

Liam spent $12.50 on a book and $7.25 on a pen.
How much did he spend in total?

$19.75

500

Fill in the blanks:
12.305 = (1 × 10) + (2 × 1) + (3 × ___) + (5 × ___)

1/10 ; 1/1000

500

Order these from least to greatest: 0.9, 0.099, 0.19, 0.901

0.099 < 0.19 < 0.9 < 0.901

500

A student rounded 74.68 to the nearest tenth and got 75. Is this correct? Why or why not?

Incorrect. Correct answer is 74.7 (the tenths place is 6, so round up to 7 tenths, not a whole number).

500

Sofia spent $32.40 on three items at the mall. The first item cost $9.75, and the second cost $11.60.

a) How much did the third item cost?
b) What is the price difference between the most expensive item and the least expensive item?

Third item = $11.05; Difference = $1.85

500

A backpack costs $45.60, and a lunchbox costs $12.40.
How much more does the backpack cost than the lunchbox?

$33.20