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Vocab
Writing Expressions
Solve
Solve (Grouping)
Fix My Mistake
100
What is an answer to an addition problem called?
Sum
100
One more than three times seven.
1 + 3 x 7
100
14 - 2 x 7
0
100
(4 - 1) + (5 x 1)
8
100
9 - 3 x 2=12
Correct answer is 3. Multiply before you add.
200
What is the answer to a subtraction problem called?
Difference
200
add 8 and 7, then multiply by 2
(8 + 7) x 2
200
7 + (2 x 4) - 1
14
200
[5 + (14 ÷ 2 × 5)] - 5
35
200
100 ÷ 5 x 5 - 4 = 0
Correct answer is 96. Division and multiplication are done in order from left to right.
300
What is the answer to a multiplication problem called?
product
300
6 less than, 15 divided by 5
15 ÷ 5 - 6
300
56 ÷ (4+4) + 3 x 2
13
300
[9 + (12 - 6 ÷ 2)] - 1
17
300
17 - 2 + 5 + 3 = 7
Correct answer is 23. Do subtraction and addition as you see it from left to right.
400
What is the answer to a division problem called?
quotient
400
triple the sum of six and two
(6 + 2) x 3
400
20 – (5+3) x 2 + 4
8
400
{[(10 - 3 x 2) + 4] x 10 ÷ 8} - 3
7
400
4 + 5 + 7 - 3 x 2 = 26
Correct answer is 10. Multiplication must be done first.
500
What is the difference between an expression and an equation?
Expression has no equal sign. Equation has an equal sign.
500
take four from the quotient of twenty and five
20 ÷ 5 - 4
500
(5 x 4) – 6 ÷ 2 + 9
26
500
12 + {[63 ÷ (1 + 4 x 2) - 3] x 2}
20
500
2 x [13 x (1+6)] = 38
Correct answer is 182. You need to solve the parentheses before the brackets.