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Maths · Grade 4 · Set A
How many in one
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A
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Goal: 15 min
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Remember: A smaller unit makes a bigger number. Use the fact for one, like 1 meter = 100 centimeters, and multiply: 3 meters is 3 × 100 = 300 centimeters.

Fill the table

1
Look at the table. How many centimeters are in 3 meters?
2
Look at the table. How many inches are in 4 feet?
3
Look at the table. How many minutes are in 3 hours?
4
1 liter is 1,000 milliliters. How many milliliters are in 7 liters?
77007,000
5
Look at the table. How many meters are in 9 kilometers?
6
Look at the table. How many grams are in 5 kilograms?

Check and think

7
2 minutes = 120 seconds
TrueFalse
8
4 feet = 40 inches
TrueFalse
9
One row of the table is wrong. Which row is it?
1 m = 100 cm2 m = 200 cm3 m = 30 cm4 m = 400 cm
10
Join each unit to what it equals.
  1. 11 foot
  2. 21 hour
  3. 31 meter
  4. 41 kilometer
  • A12 inches
  • B1,000 meters
  • C100 centimeters
  • D60 minutes
11
Put the lengths in order from shortest to longest.
  • 1 m
  • 2 m
  • 80 cm
  • 120 cm
12
A rope is 3 meters long. A table is 250 centimeters long. How many centimeters longer is the rope than the table?
13
Write how you can change 6 meters into centimeters.
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Answer key · Set A
How many in one
1300 Each row adds 100 centimeters. 3 meters is 3 times 100, which is 300 centimeters.
248 Each row adds 12 inches. 4 times 12 is 48 inches.
3180 Each row adds 60 minutes. 3 times 60 is 180 minutes.
47,000 7 groups of 1,000 milliliters is 7,000 milliliters. A smaller unit makes a bigger number.
59000 Each kilometer is 1,000 meters. 9 times 1,000 is 9,000 meters.
65000 Each kilogram is 1,000 grams. 5 times 1,000 is 5,000 grams.
7True 1 minute is 60 seconds, and 2 times 60 is 120.
8False 1 foot is 12 inches. 4 times 12 is 48 inches, not 40.
93 m = 30 cm Each row adds 100 centimeters, so 3 meters is 300 centimeters. The zeros matter.
101-A, 2-D, 3-C, 4-B
112, 4, 1, 3 1 meter is 100 centimeters and 2 meters is 200 centimeters. In order: 80 cm, 100 cm, 120 cm, 200 cm.
1250 3 meters is 300 centimeters. 300 − 250 = 50 centimeters.
13Your own words: a grown-up reads it.
Mark each answer, count the right ones and write the score on the sheet.