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Compare Length Differences
Grade 2 - Math - Challenge Me
Worksheet 1
1A ribbon is 40 cm. A string is 23 cm. How many centimeters longer is the ribbon?
2A pencil is -3 inches. A marker is 15 inches. How many inches shorter is the pencil?
3Which equation compares 45 cm and 15 cm?
4How much longer is bar A than bar B?
5Why must 49 cm and 43 cm use the same unit before comparing?
6A ribbon is 22 cm. A string is 14 cm. How many centimeters longer is the ribbon?
7A pencil is 75 inches. A marker is 78 inches. How many inches shorter is the pencil?
8Which equation compares 30 cm and 19 cm?
9How much longer is bar A than bar B?
10Why must 76 cm and 59 cm use the same unit before comparing?
About this worksheet
This Grade 2 worksheet gives focused practice with measuring and comparing how much longer or shorter one length is. The workbook reference treats this as a repeatable classroom skill, so the questions move through equations, short situations, visual models, and explanation choices instead of asking the same thing ten times. Second graders often know a procedure in one format but lose it when the numbers, words, or picture change. This page keeps the numbers friendly enough for independent practice while requiring students to name what the situation asks, choose a useful strategy, and check that the answer fits. Support versions use smaller numbers and direct language. Standard and challenge versions add closer distractors and multi-step reasoning. A common slip is only naming the longer object instead of finding the difference between the two measurements. Encourage children to read the whole prompt, mark the important values, and say why their answer makes sense before moving on.
What your child will learn
Compare two lengths
Find the difference
Use the same unit
Explain longer and shorter
Worked example
A 14 cm ribbon is 5 cm longer than a 9 cm ribbon because 14 - 9 = 5.
Common mistake
Mixing units or forgetting to subtract.
Helpful hint
Subtract the shorter length from the longer length.