Algebra Part 1

Is Mr. McDonald's work correct?If not show the correct answer.

100

12 + x = 13

12 + x - 12 = 13 - 12

x = 1

Correct

200

13 - x = 12

13 - 13 - x = 12 + 13

x = 25

Incorrect

X = 1

300

x - 15 = 18

x = 18 - 15

x = 3

Incorrect

x = 33

400

3x = 18

x = 48

Incorrect 

x = 6

500

24÷x = 4

x=48

incorrect

x= 6

Mild

100

x−5=15

x = 20

200

x−24=5

x = 29

300

x+29=45

x = 16

400

x−90=−50

x = 40

500

x+99=126

x = 27

Medium

100

x+47=143

x = 96

200

x+89=133

x = 44

300

81 - x = 27

x = 54

400

109 - x = -25

x = 134

500

4x=36

x = 8

Spicy (Includes Word Problems)

100

x÷6=24

x = 144

200

5x=35

x = 7

300

48÷x=8

x = 6

400

A store sold twice as many apples as oranges. If they sold 36 apples, how many oranges did they sell?

2x=36

x = 13.

13 organges are sold.

500

Jake has 7 fewer books than twice the number of books Alice has. If Jake has 15 books, how many books does Alice have?

2x−7=15

x= 11

Random!

100

This continent is known for having the largest desert in the world, the Sahara.

What is Africa

200

This force pulls objects toward the Earth and gives them weight

What is gravity

300

This country has the longest coastline in the world, stretching over 202,080 kilometres. 

What is Canada.

400

This sea creature has three hearts, with two pumping blood to its gills.

What is an Octopus

500

This literary device involves giving human traits to non-human objects or animals.

What is personification.