7.NS.3 Solve Real World Problems using the Four Operations (+, -, ÷, ×)

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# 7.NS.3 Solve Real World Problems using the Four Operations (+, -, ÷, ×) - PowerPoint PPT Presentation

Common Core State Standards Learning Objective. 7.NS.3 Solve Real World Problems using the Four Operations (+, -, ÷, ×). 4 7. 7 8. –. 28 56. 1 2. 7 14. 14 28. = –. = –. = –. = –. Multiplying Fractions. Multiplying. positive  positive = positive

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Presentation Transcript

Common Core State Standards

Learning Objective

7.NS.3

Solve Real World Problems using the Four Operations (+, -, ÷, ×)

4 7

7 8

28

56

1

2

7

14

14

28

= –

= –

= –

= –

Multiplying Fractions

Multiplying

positive  positive = positive

negative  negative = positive

negative  positive = negative

Multiplying fractions

Write each answer in simplest form:

Multiply numerators.

Multiply denominators.

Simplify

Could we have cross cancelled?

3 5

4

12

5

4 1

3 5

=

Multiplying a whole number by a fraction

Change the whole number into a fraction then multiply straight across.

Checking for Understanding:

Multiplying fractions

Multiplying fractions word problems

Classwork and Homework

Multiplying Fractions Worksheet