Math Unit 5

EM4 Unit 5

Test Review

Fractions

• Denominator: Is the total number of pieces.

• Numerator: Part of the Whole

• A fraction is written as: numerator over denominator.

• Fractions can be written in words or numbers.

• ALL wholes should be divided EQUALLY.

Multiple Choice

What fraction of the whole is shaded in yellow?

• 1/2

• 3/5

Multiple Choice

What fraction of the whole is shaded in purple?

• 1/4

• 1/2

Multiple Choice

What fraction of the shape is shaded in pink?

• 5/6

• 1/6

• 3/6

Multiple Choice

What fraction of the shape is shaded in blue?

• 2/9

• 2/10

Equivalent Fractions

• Represent the same fraction just written a different way.

• Do you agree with Drew?

• What other equivalent fractions can you think of?

Strategies to Solve Multiplication Facts

• Arrays

• Groups of...

• Repeated addition

• Skip Count

• Follows the patterns.

• Adding/Subtracting a group using helper facts.

Poll

3x5=

• 15

• 20

• 10

Fill in the Blanks

4x6=

Fill in the Blanks

10x7=

Fill in the Blanks

2x8=

Fill in the Blanks

9x7

Fill in the Blanks

6x8=

Helper Facts

• Helper facts help you get the product of a multiplication fact you might be unsure about.

• With a helper fact you either add or subtract a group.

• Use numbers, words or pictures to show what you're thinking about the helper fact you use.

Helper Facts

Which helper fact would you use to solve this multiplication problem?

Helper Facts

Who do you agree with and why?

If the product is 18...what are the factors?

Partner: 9

Mason: ____

What multiplication and division number sentences can be written with these 3 numbers?

Poll

If the product is 18 and one factor is 9...what is the missing factor?

• 3

• 2

Poll

If the product is 20 and one factor is 5...what is the missing factor?

• 4

• 6

Equal Parts

How would you show 4 equal parts? What fraction would be written in each part?

Rectangle Sketches

What was Owen thinking? How can this rectangle be used to solve 7x9?