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068_G5U09_G6U13_TG 2014.4.18 2:38 PM ˘ ` 136

Activity 4 Multiplying Fractions
jOb ective Practice multiplying fractions using number cards.

1. Textbook Instructions Activity 4 Multiplying Fractions

Have students use the numbers provided to create a multiplication sentence. Have them find the greatest
and the least products that can be made using the given numbers.

1 . Use three of the four number cards to make a whole number and

fraction. Find the greatest and the least products.

1. Have students use the numbers provided to 1236 6328
make a multiplication sentence. Have them find
the greatest and the least products that can be
made using the given numbers.

Explain to students that combining the \_ \_ \_ \_
, ,
highest number combinations makes it easier

to find the greatest product. Using the least The greatest product: 6 2 4 2 1
3 3 3
number combinations makes it easier to find The greatest product: (8 \ ) 5

the least product. Remind students that The least product: 1 2 1 The least product: (2 \ 3 ) 3
6 3 8 4
smaller fractions have greater denominators

and greater fractions have greater

numerators.

Refer to . 4926 4839

\_ \_ \_ \_
, ,

The greatest product: (9 \ 4 ) 6 The greatest product: (9 \ 3 ) 6 3
6 4 4

The least product: (2 \ 4 ) 8 The least product: (3 \ 4 ) 1 1
9 9 9 3

86

2. Build Understanding

Find the Least Product
Example: 1, 2, 3, 6

The least number should be the whole number. 1
The second least number should be the numerator of the fraction. 2
The greatest number should be denominator of the fraction. 6
Find the product.

2 21
63
1

6

136 NUMINO Teacher s Guide