Let's Do Math!!

All About Dilations

100

When the scale factor is less than one, what happens to the shape?

It becomes smaller.

200

When the scale factor is larger than one, what happens to the shape?

It becomes bigger.

300

When the scale factor is one, what happens to the shape?

The shape stays the same. 

400

What does it means to enlarge a shape?

Make the shape bigger.

500

What does it mean to reduce a shape?

Make the shape smaller.

Enlargements and Reductions

100

I have the following coordinates. The scale factor is 2. What are my new coordinates?

A (2,3)

B (1,5)

C (4,4)

A' (4, 6)

B' (2,10)

C' (8,8)

200

I have the following coordinates. My scale factor is 3. What are my new coordinates?

L (-2,1)

M (1, -4)

N (3,3)

L' (-6, 3)

M' (3, -12)

N' (9,9)

300

I have the following coordinates. My scale factor is 1.5. What are my new coordinates?

P (2,2)

Q (4,-1)

R (3, -6)

P' (3,3)

Q' (6,-1.5)

R' (4.5,-9)

400

I have the following coordinates. The scale factor is 1/2. What are my new coordinates?

X (2,6)

Y (4,6)

Z (6,8)

X' (1,3)

Y' (2,3)

Z' (3,4)

500

I have the following coordinates. The scale factor is 1/4. What are my new coordinates?

F (8,16)

G (12,4)

H (4,4)

F' (2,4)

G' (3,1)

H' (1,1)

Multiplication

100

What is 23 x 2?

46

200

What is 34 x 45?

1,530.

300

What is 342 x 5?

1,710.

400

What is 243 x 30

7,290.

500

What is 123 x 105?

12,915

Long Division

100

What is 561 divided by 3?

187

200

What is 308 divided by 2?

154

300

What is 288 divided by 8?

36

400

What is 616 divided by 7?

88

500

What is 365 by 5?

73

P.E.M.D.A.S

100

What does the letters in PEMDAS stand for?

Parentheses

Exponents

Multiplication

Addition 

Subtraction

200

Solve using PEMDAS

20 ÷ (4 − (10 − 8))

 10

300

Solve using PEMDAS

(6 + 25 − 7) ÷ 6

4

400

Solve using PEMDAS

((9 + 3 − 8) × 10) ÷ 2²

10

500

Solve using PEMDAS

(9 + 5 − 6) × (4³ ÷ 8)

64