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Maths · Grade 4 · Set C
Units, two steps
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C
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Date
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Goal: 15 min
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Remember: A smaller unit makes a bigger number. For two steps, change the big unit first, then add the rest: 2 hours 15 minutes is 120 + 15 = 135 minutes.

Bigger numbers

1
Look at the table. How many inches are in 9 feet?
2
Look at the table. How many minutes are in 6 hours?
3
How many centimeters are in 12 meters?
4
How many grams are in 15 kilograms?
5
Which length is the greatest?
3 kilometers3,500 meters300 meters

Two steps and thinking

6
A movie lasts 2 hours and 15 minutes. How many minutes long is the movie?
7
A board is 5 feet 3 inches long. How many inches long is the board?
8
Each hose is 8 meters long. How many centimeters long are 3 hoses laid end to end?
9
2 kilograms and 500 grams is the same as 2,500 grams.
TrueFalse
10
Lee says 4 meters = 40 centimeters. What is Lee's mistake?
There is no mistake.He used 10. A meter is 100 centimeters, so 4 meters is 400 centimeters.He should divide 4 by 100.
11
Join each length or time to the same amount.
  1. 12 hours
  2. 22 kilometers
  3. 3200 centimeters
  4. 42 liters
  • A2,000 milliliters
  • B120 minutes
  • C2 meters
  • D2,000 meters
12
Put the lengths in order from shortest to longest.
  • 7 m
  • 500 cm
  • 650 cm
  • 6 m
13
Write how you know 3 hours is more than 150 minutes.
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Answer key · Set C
Units, two steps
1108 Each foot is 12 inches. 9 times 12 is 108 inches.
2360 Each hour is 60 minutes. 6 times 60 is 360 minutes.
31200 Each meter is 100 centimeters. 12 times 100 is 1,200 centimeters.
415000 Each kilogram is 1,000 grams. 15 times 1,000 is 15,000 grams.
53,500 meters 3 kilometers is 3,000 meters. 3,500 meters is more than 3,000 meters, and 300 meters is much less.
6135 2 hours is 120 minutes. 120 + 15 = 135 minutes.
763 5 feet is 60 inches. 60 + 3 = 63 inches.
82400 3 hoses are 24 meters. 24 times 100 is 2,400 centimeters.
9True 2 kilograms is 2,000 grams. 2,000 + 500 = 2,500 grams.
10He used 10. A meter is 100 centimeters, so 4 meters is 400 centimeters. Each row adds 100 centimeters. 4 times 100 is 400 centimeters.
111-B, 2-D, 3-C, 4-A
124, 1, 3, 2 6 meters is 600 centimeters and 7 meters is 700 centimeters. In order: 500, 600, 650, 700 centimeters.
13Your own words: a grown-up reads it.
Mark each answer, count the right ones and write the score on the sheet.