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Cogito

Grade 3 Math · Chapter 1 · Lesson 6

Practice Worksheet

Multiplying by 2, 5, and 10

The three easiest tables, and why they are easy.

10 problems · about 12 minutes · 3.OA.C.7

NameDate

Figure — use these to answer the problems

Set the columns to 2, 5, or 10 and step the rows through.

5 + 5 + 5 + 5 + 5 + 5 = 30

6 × 5 = 30

Rows6
Columns5
Figure 1

Warm-Up Review

From earlier lessons. Loosen up before the new work.

2 problems

  1. From “Multiplication and Division Fact Families”

    You know 6 × 4 = 24. What is 24 ÷ 6?

    Answer

  2. From “Division as an Unknown Factor”

    45 ÷ 5 = ?

    Answer

Warm Up

Straightforward practice. Get the method working first.

4 problems

  1. 7 × 5 = ?

    Answer

  2. What do all the answers in the 10 times table end in?

    Answer

  3. 7 × 2 = ?

    Answer

  4. 6 × 5 = ?

    Answer

Build It Up

The same ideas with more to keep track of.

2 problems

  1. 8 × 10 = ?

    Answer

  2. 9 × 5 = ?

    Answer

Stretch Yourself

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

2 problems

  1. The Coins

    Ana has 7 five-pence coins. How many pence is that?

    Answerpence

  2. The Boxes

    9 boxes each hold 10 pencils. How many pencils?

    Answerpencils