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Cogito

Grade 1 Math · Chapter 6 · Lesson 6

Practice Worksheet

How Much Longer?

Find the difference between two lengths.

10 problems · about 12 minutes · 1.OA.A.1, 1.MD.A.2

NameDate

Figure — use these to answer the problems

Change the lengths and read how much longer one is.
Snake
Worm
Snake8
Worm3
Figure 1

Warm-Up Review

From earlier lessons. Loosen up before the new work.

4 problems

  1. From “Why Same-Size Units?”

    Why must you say which unit you used?

    • Because a number alone does not say how long.
    • Because it is polite.

  2. From “Measuring With Cubes”

    A stick takes 6 cubes laid end to end. How long is it?

    Answercubes

  3. From “Putting Three in Order”

    Ropes are 3, 9 and 6 cubes. How long is the longest?

    Answer

  4. From “Using a Third Thing”

    A rope is shorter than a string. The string is shorter than a pole. Is the rope shorter than the pole?

    • Yes.
    • No.

Warm Up

Straightforward practice. Get the method working first.

3 problems

  1. A 9-cube stick and a 4-cube stick. How much longer is the first?

    Answer

  2. Two ribbons are both 6 cubes. How much longer is one than the other?

    Answer

  3. 10 cubes and 6 cubes. How much longer?

    Answer

Build It Up

The same ideas with more to keep track of.

1 problem

  1. 8 cubes and 5 cubes. How much longer?

    Answer

Stretch Yourself

Mixed problems. Work out what kind of question it is before you start.

2 problems

  1. Two Trains

    A red train is 9 cubes. A blue train is 6 cubes. How much longer is the red one?

    Answercubes

  2. Jumping

    Ana jumps 7 cubes. Leo jumps 4. How much further did Ana jump?

    Answercubes