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Maths · Grade 2 · Set C
Measuring and comparing
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C
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Remember: A bigger unit fits fewer times, so the number is smaller. Count the units, then change them: 1 foot is 12 inches, 1 meter is 100 centimeters.

Measure and change units

1
The marker starts at 0 on the ruler. How many centimeters long is it?
2
A shelf is 4 feet long. Each foot is 12 inches. How many inches long is the shelf?
3
A pole is 3 meters long. How many centimeters long is it?
4
Each square is 1 inch. How many inches longer is the ribbon than the crayon?
5
A ribbon is 200 centimeters long. How many meters long is it?
6
A board is 24 inches long. Each foot is 12 inches. How many feet long is the board?

Think about the unit

7
📏A stick that is 36 inches long is 3 feet long.
TrueFalse
8
🪑Ana and Ben measure the same table. Ana counts 4 and Ben counts 48. Who measured in inches?
AnaBen
9
String A and string B are the same length. A is 4 beads long and B is 8 beads long. Which string has the bigger beads?
String AString B
10
📏Which is longer?
20 inches2 feetThey are the same
11
Circle every thing you would measure in meters.
⚽a soccer field🌱a seed🚌a bus✏️a pencil
12
Write how you know 48 inches is the same as 4 feet.
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Answer key · Set C
Measuring and comparing
19 The marker ends at the 9, so it is 9 centimeters long.
248 4 feet of 12 inches each. 12 + 12 + 12 + 12 = 48.
3300 1 meter is 100 centimeters. 100 + 100 + 100 = 300.
45 The ribbon is 14 inches and the crayon is 9 inches. 14 - 9 = 5.
52 Each meter is 100 centimeters. 200 is two hundreds, so it is 2 meters.
62 12 inches is 1 foot. 24 inches is 12 + 12, so it is 2 feet.
7True Each foot is 12 inches. 12 + 12 + 12 = 36, so 36 inches is 3 feet.
8Ben An inch is a small unit, so you count more of them. 48 is the bigger number, so Ben used inches.
9String A The same length takes fewer big beads. String A needs only 4, so its beads are bigger.
102 feet 2 feet is 12 + 12 = 24 inches. 24 inches is more than 20 inches.
11a soccer field, a bus A soccer field and a bus are long, so meters fit. A seed and a pencil are small.
12Your own words: a grown-up reads it.
Mark each answer, count the right ones and write the score on the sheet.