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Compare Length Differences
Grade 2 - Math - Building Confidence
Worksheet 1
1A ribbon is 13 cm. A string is 6 cm. How many centimeters longer is the ribbon?
2A pencil is 5 inches. A marker is 11 inches. How many inches shorter is the pencil?
3Which equation compares 18 cm and 16 cm?
4How much longer is bar A than bar B?
5Why must 16 cm and 10 cm use the same unit before comparing?
6A ribbon is 20 cm. A string is 13 cm. How many centimeters longer is the ribbon?
7A pencil is 8 inches. A marker is 11 inches. How many inches shorter is the pencil?
8Which equation compares 19 cm and 12 cm?
9How much longer is bar A than bar B?
10Why must 13 cm and 7 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.