Vocabulary
Vocabulary 2
Mental Math
PEMDAS
PEMDAS
100
The answer to an addition problem.
What is a sum?
100
The answer to a subtraction problem.
What is the difference
100
250 x 45 x 4
What is 45,000
100
2×(4+10÷2)
What is 18
100
12 × 4 + 18 – 22
What is 44
200
Any number being multiplied.
What is a factor?
200
The answer to a multiplication problem.
What is the product.
200
28 + 13 + 12
What is 53
200
15 + 3 × 7 – 9
What is 27
200
7 × 6 ÷ 7 + 30 × 2
What is 78
300
A numerical sentence that contains numbers, variables, and operation symbols.
What is an expression
300
Changing the order of addends does not change the sum.
What is the Commutative Property of Addition.
300
(12 x 50) x 6
What is 3600
300
10 × 8 + 52 ÷ 4
What is 93
300
62 + 40 ÷ 10
What is 66
400
steps or rules describing what sequence to use in solving expressions.
What is the order of operations.
400
Changing the grouping of factors does not change the product.
What is the Associative Property of Multiplication.
400
24 + (206 + 55)
What is 285
400
5 × 42 + 12
What is 222
400
(34 + 12) × 8 ÷ 2 + 25
What is 209
500
A number being divided.
What is a dividend.
500
Any number times 1 is that number
What is the Identity Property of Multiplication.
500
50 x 360 x 20
What is 360,000
500
(25 × 5) – 24
What is 101
500
43 + (13 × 8) ÷ 4
What is 69
M
e
n
u