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100

Write the product of a number and 8

8x

100
9 - 3 x 2=12
Correct answer is 3. Do x then -, not - then x.
100
3 + 4 x 5
23
100
14 - 2 x 7
0
100

Which value of x satisfies the equation x + 10 = 15

x = 35 

x = 5

x = 5

200

Write the numerical expression that represents a number less than 12

12-x

200
32 - 6 = 0
3 2 = 9, not 6. Correct answer is 3
200
7 + (2 x 4) - 1
14
200
49 ÷ (3+4) + 52
32
200

Find the value of the expression 441+x if x=444

885

300

Write the numerical expression that matches 4 less than the sum of a number and 3.

x+3-4
300
Five less than than the product of 10 and a number: 

5 - 10x

"less than" is a switch word, should go at the end! 


10x - 5
300
56 ÷ (4+4) + 32
16
300
5 + 14 ÷ 2 × 5
40
300

Find the value of x + y if x = 10 and y = 4

14

400

Write the numerical expression that matches one-fifth of a number

1/5n

400
Find the value of the expression of 2 + x - y when x = 3 and y = 1


Answer given: 5

Forgot to subtract the value of y!
400

20 – (5+3) x 2 + 4

8

400
(4-1)2 + (5+ 1)2
45
400

Which value of x satisfies the equation? 100 - 4x = 60

x = 0

x = 10

x = 40

x = 10

500

Translate into English. You cannot use the word "plus" or "times" 2x + 3

three more than double a number

500

TWO mistakes:

Half of the difference of a number and 12: 2(n+12)

Half AND difference should be 1/2(n-12) or 0.5(n-12)

500
(5 x 4) – 6 ÷ 2 + 9
26
500
12 + 22 x 32 - 42
21
500

Find the value of the expression: 

270 + 195y

For y = 2

660

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