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Cogito

Grade 5 Math · Chapter 1 · Lesson 4

Practice Worksheet

Comparing Decimals to Thousandths

Biggest place first, every time.

10 problems · about 15 minutes · 5.NBT.A.3

NameDate

Figure — use these to answer the problems

Two decimals on one line. Whichever sits further right is bigger.

40/100 = 0.40 = 0.4

38/100 = 0.38

0.00.10.20.30.40.50.60.70.80.91.0
First value in hundredths40
Second value in hundredths38
Figure 1

Warm-Up Review

From earlier lessons. Loosen up before the new work.

2 problems

  1. From “Thousandths”

    In 0.914, what digit is in the thousandths place?

    Answer

  2. From “Powers of Ten”

    What is 7 × 10² ?

    Answer

Warm Up

Straightforward practice. Get the method working first.

4 problems

  1. Which is bigger, 0.608 or 0.61?

    • 0.61.
    • 0.608.

  2. Does a decimal with more digits have to be bigger?

    • No.
    • Yes.

  3. Which is bigger, 0.5 or 0.462?

    • 0.5.
    • 0.462.

  4. Which is bigger, 0.207 or 0.27?

    • 0.27.
    • 0.207.

Build It Up

The same ideas with more to keep track of.

2 problems

  1. Which is bigger, 0.9 or 0.1234?

    • 0.9.
    • 0.1234.

  2. Which place do you compare first?

    • The biggest one.
    • The last one.

Stretch Yourself

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

2 problems

  1. The Times

    Which is faster, a time of 9.85 seconds or 9.9 seconds?

    • 9.85 seconds.
    • 9.9 seconds.

  2. The Weights

    Which is heavier, 2.305 kg or 2.35 kg?

    • 2.35 kg.
    • 2.305 kg.