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Cogito

Grade 4 Math · Chapter 6 · Lesson 4

Practice Worksheet

Comparing Decimals

Same unit first, then compare.

10 problems · about 14 minutes · 4.NF.C.7

NameDate

Figure — use these to answer the problems

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

40/100 = 0.40 = 0.4

39/100 = 0.39

0.00.10.20.30.40.50.60.70.80.91.0
First value in hundredths40
Second value in hundredths39
Figure 1

Warm-Up Review

From earlier lessons. Loosen up before the new work.

2 problems

  1. From “Why 0.7 and 0.70 Are Equal”

    0.2 in hundredths. How many?

    Answer

  2. From “Hundredths”

    How many hundredths are in 0.09?

    Answer

Warm Up

Straightforward practice. Get the method working first.

4 problems

  1. Which is bigger, 0.9 or 0.89?

    • 0.9.
    • 0.89.

  2. Which place do you compare first?

    • The tenths.
    • The hundredths.

  3. Which is bigger, 0.7 or 0.68?

    • 0.7.
    • 0.68.

  4. Which is bigger, 0.45 or 0.54?

    • 0.54.
    • 0.45.

Build It Up

The same ideas with more to keep track of.

2 problems

  1. Which is bigger, 0.3 or 0.03?

    • 0.3.
    • 0.03.

  2. 0.25 in hundredths. How many?

    Answer

Stretch Yourself

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

2 problems

  1. The Jumps

    Ana jumped 1.35 metres and Leo 1.4. Who jumped further?

    • Leo.
    • Ana.

  2. The Weights

    Which is heavier, 0.6 kg or 0.55 kg?

    • 0.6 kg.
    • 0.55 kg.