Mental Math
Ratios/Rates/Unit Rates
Start with a Decimal...
Start with a Fraction...
Class Rules and Expectations
100

17 + 13 =

30

100

Simplify the ratio: 4 to 6

2 to 3

100

What is the percent equivalent of 0.12?

12%

100

Find the decimal equivalent of 18/21. Round to the nearest hundredth.

0.86

100

What should you do when you first arrive to class? (3 things)

Take your seat, get your materials, and fill out your GoBinder.

200

98 - 14 =

84

200

5 decks of cards cost $30. How much does each deck cost?

$6

200

What is the fraction equivalent of 0.25?

1/4

200

What is the decimal equivalent of 1/5?

0.2 or 0.20

200

Where do we keep all of our notes in class?

Interactive Notebook

300

10 x 12 =

120

300

A car travels 55 miles per hour. If it travels at this rate, how many miles would it travel in 2 hours?

110 miles

300

What is the percent equivalent of 0.4?

40%

300

What is the percent equivalent of 56/100?

56%

300

What should you do if you're at home and you don't understand the homework given to you?

Email Ms. Gates!

400

14/2 =

7

400

A Frappuccino at Starbucks costs $6.25. If you bought Frappuccinos for your friends, 5 in all, how much would you spend altogether?

$31.25

400

What is the fraction equivalent of 0.90?

9/10

400

What is the decimal equivalent of 1/8? Round to the nearest hundredth.

0.13

400

What is an example of an UNEXPECTED behavior?

Answers will vary.

500

5=

25

500

Finding unit rate is the same as __________ fractions.

Dividing

500

Identify the fraction AND percent equivalent of 1.00.

100/100 or 1/1 and 100%.

500

What is the DECIMAL and PERCENT equivalent of 24/50?

0.48 and 48%

500

What drives Mr. Rodriguez absolutely crazy?!

Answers will vary.