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CanadaON
Grade 3

Find unknowns in multiplication and division problems (1,2,3)

Lesson

Sometimes you need to use multiplication or division to solve an equation, where one value is missing.   But how do you know which one to use?  This video helps you choose the correct one.

Examples

 

QUESTION 1

Fill in the box with the missing number.

  1. $7\times2=\editable{}$7×2=

QUESTION 2

Fill in the box with the missing number.

  1. $1\times\editable{}=7$1×=7

QUESTION 3

Fill in the box with the missing number.

  1. If you get $3$3 groups of $\editable{}$, then altogether you have $24$24.

Outcomes

3.NN3.05

Relate multiplication of one-digit numbers and division by one-digit divisors to real-life situations, using a variety of tools and strategies

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