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Cogito

Grade 5 Math · Chapter 8 · Lesson 3

Practice Worksheet

The Coordinate Plane

Across first, then up.

10 problems · about 15 minutes · 5.G.A.1

NameDate

Figure — use these to answer the problems

Set two different numbers and watch both points appear.
001122334455667788991010
(3, 5) and (5, 3)
Across3
Up5
Figure 1

Warm-Up Review

From earlier lessons. Loosen up before the new work.

2 problems

  1. From “The Volume Formula”

    Volume of a 7 by 3 by 2 box?

    Answer

  2. From “Measuring Volume by Counting Cubes”

    A box 4 by 4 by 2. How many cubes?

    Answer

Warm Up

Straightforward practice. Get the method working first.

4 problems

  1. In (6, 1), how far across do you go?

    Answer

  2. Which number comes first in an ordered pair?

    • The across one.
    • The up one.

  3. In (5, 9), how far up do you go?

    Answer

  4. In (0, 6), how far across do you go?

    Answer

Build It Up

The same ideas with more to keep track of.

2 problems

  1. Are (2, 8) and (8, 2) the same place?

    • No.
    • Yes.

  2. Are (4, 4) and (4, 4) reversed the same place?

    • Yes. Both numbers are the same.
    • No.

Stretch Yourself

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

2 problems

  1. The Across Number

    In the pair (7, 2), how far do you go across?

    Answer

  2. The Origin

    How far across is the origin?

    Answer