EM4 Unit 6 Review

EM4 Unit 6

Test Review

Before we begin....

We need to warm up!

ARE YOU READY?????!!!!!!!!

ARE YOU SURE!?!?

LET'S GO!!!

Multiple Choice

2 x 6

• 12

• 8

Multiple Choice

7 x 2

• 9

• 14

Multiple Choice

10 x 2

• 12

• 20

Multiple Choice

5 x 2

• 10

• 7

Multiple Choice

9 x 2

• 11

• 18

Doubling Strategy

• Can you explain Nolan's work?

• How would you use doubling to solve 5x8?

• How would you use a picture or number models to help solve for 5x8?

• Remember you can use the doubling strategy as long as one of the factors is an even number.

Multiple Choice

8-3

• 5

• 24

Multiple Choice

15 - 9

• 6

• 24

Multiple Choice

14 - 7

• 7

• 21

Trade-First Subtraction

• Begin by looking at your problem.

• Start on the right side (the ones place).

• Check to see if you can subtract the number, if you cannot subtract trade in from the tens place.

• Repeat your steps for the tens, and hundreds place.

Trade-First Subtraction

You try. How would you subtract 421-349 using trade-first subtraction?

Which problem has the greater product?

Look at the two options, solve, and determine which problem has a greater product.

Poll

Which problem has the greater product?

• 7 x 6

• 5 x 9

Poll

Which problem has the greater product?

• 3 x 8

• 5 x 5

Poll

Which problem has the greater product?

• 8 x 8

• 9 x 6

Multiplication Strategies

• Adding a Group

• Subtracting a Group

• Doubling

• Near Squares

• Repeated Addition

What strategy would you use to solve...

6 x 7