Exponents
Powers of 10
Multiply/Divide
Squares & Roots
Word/Thinking
100

What is the value of 93?

9 x 9 x 9

= 81 x 9

= 729

100

Write in standard form:

106

1,000,000

100

Find the value:

45 x 100

4,500

100

List all the perfect squares between 10 and 50.

16, 25, 36, 49

100

Bill and Colin are each expecting a puzzle in the mail. Each puzzle is made with pieces that are roughly square shaped.

Bill's puzzle has 125 pieces and Colin's has 144.

Which puzzles could be square shaped, and why?

Colin's puzzle could be square shaped, because it could be 12 pieces by 12 pieces. 

Bill's puzzle is not - 125 is not a perfect square.

200

62

Which digit is the base, and which is the exponent?

What is the value?

6 is the base.

2 is the exponent.

The value is 36. (6 x 6)

200

Write in exponential form:

1 billion

109

200

Find the value:

280 x 104

2,800,000

200

Draw and label a perfect square that has a width of 3 units.

- 3 units long & labelled
- 3 units wide & labelled
- "9" in the middle

200

A tower is made with 3 perfect squares.

The tower is made with 45 units.
Its height is 11 units.

Perfect squares: 25, 16, 4 (Total: 45)

           Heights:   5,  4,  2 (Height: 11)

300

What is the value of (3 x 4)2?

(12)2 = 144

300

What is the value of 100?

1

300

Find the value:

2.66 x 10

26.6

300

Explain why 50 is not a perfect square.

The square root of 50 is not a whole number.

There is no whole number that can be multiplied by itself to equal 50.

The closest perfect square is 72 = 49.
The next is 82 = 64.

300

61 is not a perfect square.

If you had to estimate it's square root, what would you estimate?

61 is in between 49 (72) and 64 (82), but it is closer to 64.

A good estimate would be between 7.6 and 7.9

400

Use repeated multiplication to represent:

75

7 x 7 x 7 x 7 x 7

400
Represent the following in exponential and standard form:10 x 10 x 10 x 10

104

10,000

400

Find the value:

2,023 ÷ 100

20.23

400
What is the square root symbol called? 

Draw it.

Radical sign.

⎷

400

$5,642,812 is being divided into 100 envelopes. How much money will go into each envelope?

5,642,812 ÷ 100

= 56,428.12 

$56,428.12 will go into each envelope.

500

What is the value of:

(6 - 2)2 + (4 + 4)2

(4)2 + (8)2

= 16 + 64

= 80

500

Represent in repeated multiplication, exponential, and standard form:

One hundred thousand.

100,000

105

10 x 10 x 10 x 10 x 10

500

Find the value: 

14,500,200 ÷ 103

14,500.2

500

Find the value:

⎷81 + ⎷121

9 + 11

= 20

500

Math textbooks cost $68.95.

If YRDSB wanted to buy one for each grade 7 student, and there are 10,000 grade 7 students, what would the total cost be?

68.95 x 10,000

= 689,500

The total cost of 10,000 textbooks will be $689,500.

M
e
n
u