unit 1: number sense minds-on. unit 1: number sense number sense review learning goal: i have number...

Unit 1: Number Sense

Minds-On

1) Simplify and express as a single power:

2) Simplify using exponent laws(3x2y)3

3) Simplify using exponent laws

Unit 1: Number Sense

Number Sense ReviewLearning Goal: I have Number

Sense! I can add and subtract negative numbers I can multiply and divide negative numbers I can identify the base and the exponent I can solve problems involving exponents I know the rules for Order of Operations (BEDMAS) I can apply order of operations to evaluate expressions I can convert between mixed and improper fractions I can perform all four operations with fractions I can reduce fractions to lowest terms I can solve problems involving ratios, rate, proportions, and percent I can evaluate expressions containing variables by substituting in numbers

for the variables. I can identify the exponent laws related to multiplication, division, and

power of a power I can apply the exponent laws to evaluate expressions

Unit 1: Number Sense

Number Sense Review

What is an inverse operation?

An inverse operation reverses the effect of another operation.

Unit 1: Number Sense

Number Sense Review

Which operations are inverse operations?

Unit 1: Number Sense

Number Sense Review

How else could you write 52?

How else could you write

Unit 1: Number Sense

Number Sense Review

How many ways can you write

True or False

Unit 1: Number Sense

Number Sense Review

True or False

Unit 1: Number Sense

Number Sense Review

True or False

=

Unit 1: Number Sense

Number Sense Review

True or False

Unit 1: Number Sense

Number Sense Review

True or False

Unit 1: Number Sense

Number Sense Review

True or False

Unit 1: Number Sense

Number Sense Review

Unit 1: Number Sense

Number Sense Review

Unit 1: Number Sense

Number Sense Review

Learning Goal

I can add, subtract, multiply, and divide negative numbers

Unit 1: Number Sense

Number Sense Review

Example:

-4 + (-2)

Unit 1: Number Sense

Number Sense Review

Example:

6 – (-2)

Unit 1: Number Sense

Number Sense Review

Example:

Unit 1: Number Sense

Number Sense Review

Example:

6(-3)

Unit 1: Number Sense

Number Sense Review

Learning Goal

I know the rules for Order of Operations (BEDMAS)

Unit 1: Number Sense

Number Sense Review

Example:

26

Unit 1: Number Sense

Number Sense Review

Learning Goal

I can perform all four operations with fractions

Unit 1: Number Sense

Number Sense Review

Example:

-1

Unit 1: Number Sense

Number Sense Review

Example:

2

Unit 1: Number Sense

Number Sense Review

Example:

-4

Unit 1: Number Sense

Number Sense Review

Example:

Unit 1: Number Sense

Number Sense Review

Learning Goal

I can solve problems involving ratios, rate, proportions, and percent

Unit 1: Number Sense

Number Sense Review

Tim Hortons sells a dozen donuts for $6.99 Express this as a rate.

Unit 1: Number Sense

Number Sense Review

In this class there are 18 females (including the teacher) and 9 males. What is the ratio of males to females in lowest terms?

Unit 1: Number Sense

Number Sense Review

Find the missing value:

Unit 1: Number Sense

Number Sense Review

Tim Hortons is having a sale! A dozen donuts, which used to sell for $6.99 is now 12% off! What is the new price of the donuts?

Unit 1: Number Sense

Number Sense Review

Learning Goal

I can evaluate expressions containing variables by substituting in numbers for the variables.

Unit 1: Number Sense

Number Sense Review

Evaluate: 5m2n + m for:

Unit 1: Number Sense

Number Sense Review

Learning Goals

I can identify the exponent laws related to multiplication, division, and power of a power

I can apply the exponent laws to evaluate expressions

Unit 1: Number Sense

Number Sense Review

Example: (x2y)(xy4) + (x2y)

Unit 1: Number Sense

Number Sense Review

Example: (4x4y3)2

Unit 1: Number Sense

Number Sense Review

Example:

Unit 1: Number Sense

Number Sense Review

Unit 1: Number Sense

Number Sense Review

Review Questions

Read as you do: Page 235 – 246 Section 3.1/3.2 and 3.3/3.4, Page 235/236 Q# 1, 3

Section 3.9, Page 242 Q# 10abcdghij Section 3.11, Page 246 Q# 18abefghijkl, 19abch,

20abc, 21ab Do Page 15 Q# 5ace, 6

Do Page 16 Q# 4

*Unit Test on Wednesday*