What Comes First?
What is the first step in 10÷(3+2)x4+52+6-9? Why?
The first step is 3+2 because it is in parentheses.
9-3x2=12
The correct answer is 3.
14-2x7=
0
(11-4)-3=
4
4x3÷2x5=
30
What is the first step in 15÷5x4+52+6-9? Why?
The first step is 52 because there are no parentheses and exponents come next.
10÷5x2=1
The correct answer is 4.
49÷(3+4)+52=
32
6-3+7=
10
40÷4x2=
20
What is the first step in 10÷5x4+25+6-9? Why?
The first step is 10÷5 because there are no parentheses or exponents, so multiplication and division come next (solved left to right).
5x5+1=30
The correct answer is 26.
5+14÷2x5=
40
2+(12-1)=
13
2x10x3÷5
12
What is the first step in 19-1+2x7? Why?
The first step is 2x7 because there aren't any parentheses or exponents, so multiplication and division comes next (solved left to right).
4+5+7-3x2=26
The correct answer is 10.
(4-1)2 + (5+1)2=
45
16-4+8(2+9)=
100
124÷2x3÷6
What comes first in 9÷3+2(9+102)-8+4x3? Why?
The first step is (9+102) because it is in parentheses.
4+5+7-3x2=26. This answer is incorrect. What did the student do wrong? What is the correct answer?
The student didn't follow the correct order of operations. They completed the problem from left to right, instead of doing multiplication first. The answer should be 10.
12+22x32-42=
21
15-(7+8-3)=
3
184÷4÷2x3=
69