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Lesson: Multiplying by 10

In this lesson, we will learn how to multiply numbers by 10 using objects or arrays to help us understand how multiplication by 10 works.

Question Video: Counting by Ten to Find a Number of Objects

01:38

Worksheet: Multiplying by 10 • 12 Questions

Q1:

Complete:

Q2:

Complete:

Q3:

Complete:

Q4:

Complete:

Q5:

Complete:

Q6:

Complete the following table.

8 9 10 11
8 64 72 80 88
9 72 81 90 99
10 80 90 100 110
11 88 99 121

Q7:

Complete:

Q8:

Emma has 3 boxes with 10 candies in each box.

How many candies does she have in total?

How many groups of ten does she have?

Q9:

Arrange the expressions on these cards in descending order.

  • A
  • B
  • C
  • D

Q10:

Find the number that, when multiplied by 6, results in 60.

Q11:

David opened his book randomly and multiplied the numbers of the two pages he saw. If the result was 90, what were the two numbers?

  • A9, 10
  • B8, 9
  • C10, 11
  • D8, 7

Q12:

A girl is putting candles into four rows where each row has 5 candles. If she has placed 10 candles, how many are left to place?
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