Page 209 - NUMINO TG_3A

13Unit Number Card Puzzles

jOb ective Understand about fact family.

1. Textbook Instructions UNIT

Have students understand the relationship 13 Number Card Puzzles
between multiplication and division sentences
to learn about a fact family. Divide the strawberries equally. Show the number of strawberries using
Let’s look at the picture on the left. How multiplication and division symbols.
many groups of strawberries are there?
3 groups of 4. What you need: Strawberry Stickers (A10)
How many strawberries are there
altogether? 12.
Write a multiplication sentence to show
this 3 4 12.
Let’s divide the strawberries on the left in
equal shares and place them on the
3 plates on the right. How many
strawberries will there be in each plate?
4 strawberries.
Write a division sentence to show the
strawberries on the plates. 12 3 4.

Have students use the method above to solve
the problems. Have them use the strawberry
stickers.

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2. Build Understanding

Write out the division sentence in words.
Writing out the sentences in words will help students realize how the numbers are related in the problem.
Example: 12 3 4 12 strawberries divided into 3 plates equals 4 strawberries on each plate.

12 4 3 12 strawberries divided into 4 plates equals 3 strawberries on each plate.
15 3 5 15 strawberries divided into 3 plates equals 5 strawberries on each plate.
10 5 2 10 strawberries divided into 5 plates equals 2 strawberries on each plate.

192 NUMINO Teacher s Guide