Evaluate the Expression
5 + 10 x 3 - 2
33
3 x 6 + (9 x 4) x 2
9 x 4
The sum of 2 and 5
2 + 5
What was done incorrectly?
3 + 4 x 12
Answer: 84
The student added 3 + 4 before multiplying.
Correct Answer: 51
2x + 3x + 3
5x + 3
4 x 5 - 3 x 6
2
100 - 5 + 67
100 - 5
The difference between 7 and 16
16 - 7
4 x 3 - 3 x 2
Answer: 19
The subtracted 3 before multiplying 3 x 2
Correct Answer: 6
3a + 4b - 2a + 3a
4a + 4b
(6 x 7) + 2 x 3
48
45 + 3 - 6 x 6
6 x 6
The sum of 4 and the product of 5 and 2
4 + (5 x 2)
178 - (12 x 5) x 2
Answer: 236
The student did 178 - 60 before multiplying 60 x 2
Correct Answer: 58
2(5z) + 3(3y) + 4(2x)
8x + 9y + 10z
100 - (5 + 9 x 10) + 5
10
9 + 2 x 5 - 4 x 3
2 x 5
The difference between 67 and 3, multiplied by 4
(67 - 3) x 4
85 - 30 x 2
Answer: 110
The person did 85 - 30 before doing 30 x 3
Correct Answer: 25
3a(2) - 4(2y) + 2(3b) - 2a
4a + 6b - 8y
(7 x 4) + 9 x 2 -3 + 8
51
54 + 34 - 10 x 2 + 1
10 x 2
The sum of the product of 3 and 6 and the difference between 45 and 13
(3 x 6) + (45 - 13)
25 - 10 x 2 + 9
Answer: 39
The student did 25 - 10 before multiplying 10 x 2
Correct Answer: 14
5x + 8x - 6y + 4z + 4(4x) + 2(6y) - 6(2x) + 2(4z)
17x + 6y + 12z