ELT Review

Order of Operations

100

44 + 6² - 36

44

200

(160 / 5) x 7²

1568

300

5.5 x 11 / 5

12.1

400

(4/5) x (7/8) - (5/8)

0.075

500

11² - 7² + 3² - 3.5

77.5

Fractions

100

(6/7) - (5/7)

1/7

200

(8/10) * (5/6)

4/6

300

Convert to a mixed number

35/4

8 3/4

400

convert to an improper fraction

5 3/7

38/7

500

convert to a mixed number

86/3

28 2/3

Division

100

45/9

5

200

56/7

8

300

80/16

5

400

2952/24

123

500

112.585 / 8.9

12.65

Properties of Addition and Multiplication

100

This property states that I can add in any order and get the same answer

What is the commutative property

200

This property states that I multiply the term on the outside of the parenthesis by the term on the inside of the parenthesis

What is the distributive property

300

This property states that the groups of the numbers I am adding may change,, but the sum will remain the same

What is the associative property

400

This property is how I would solve the problems below

7(x+8)

What is the distributive property

500

This property is being shown in the problem below

(6 + 7) + 12 = 6 + (7 + 12)

What is the associative property

Challenge Problems

100

Eight of my pets aren’t dogs, five aren’t rabbits, and seven aren’t cats. How many pets do I have?

10

200

A mouse costs $10, a bee costs $15, and a spider costs $20. Based on this, how much does a duck cost?

$5 ($2.50 per leg)

300

When Linda was 6 years old, her sister was half her age. Now Linda is 40. how old is her sister?

37

400

Ashley buys one new toy every 30 days. How many toys will she buy in year?

12

500

If you multiply me by any number, the answer will always be the same. What number am I?

0