Remember: Start at the first end of the thing. Count the spaces, not the marks. End minus start is the length.
Longer rulers
1
How long is the ribbon, in centimeters?
2
How long is the string, in centimeters?
3
The crayon starts at 3 and ends at 11. How long is it, in inches?
4
The pencil starts at 6 and ends at 18. How long is it, in centimeters?
Compare and think
Count the spaces, not the marks. Start where the thing starts.
5
Which pencil is the longest?
pencil Apencil Bpencil C
6
How many centimeters longer is pencil B than pencil C?
7
Measure both. How many centimeters longer is the stick than the twig?
8
The ribbon starts at 5 and ends at 20, so it is 20 cm long.
TrueFalse
9
The rope starts at 6 and ends at 21 on a ruler. How do you find how long it is?
21 + 66 − 2121 − 6
10
Join each thing to its length.
1starts at 0, ends at 9
2starts at 2, ends at 9
3starts at 5, ends at 9
A7 cm
B9 cm
C4 cm
11
Put these in order. Shortest first.
starts at 0, ends at 6
starts at 3, ends at 8
starts at 1, ends at 9
12
Draw a pencil that starts at 3 and is 6 cm long.
13
A crayon starts at 4 and ends at 13. Write how you find how long it is.
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