3 + 3 x 3 = ?
27
Mental Math
100 - 44 = ?
56
MENTAL MATH
37 + 68 = ?
105
MENTAL MATH
2 x 12
24
22 divided by 2
11
The result of adding two numbers.
Sum
What is the value of the expression below?
20 + 8 - 42
12
(4+3) x 2 = ?
14
Mr. Lara wants to buy a phone charger worth $42.50, but he only has a $50 note. How much change will he receive?
$7.50
134 + 134 = ?
268
MENTAL MATH
50 x 70 =
3,500
42 divided into 6 groups
7
The result of multiplying two numbers
Product
What is the value of the expression below when a = 2 and b = 4?
3a + b
10
60 divided by 3 plus 2 = ?
22
Mental Math
82 - 49 =
33
MENTAL MATH
98 + 499 = ?
597
60 x 5 = ?
300
MENTAL MATH
40 divided into 5 groups
8
quotient
What is the value of a in this equation?
a - 24 = 18
42
25 minus (140 divided by 10) = ?
11
Sammy drove a car. She drove 345 of her 563 miles in the night. How much did she drive during the day?
218
MENTAL MATH
437+514 = ?
951
3 x 3 x 4 = ?
36
MENTAL MATH
45 divided into 9 groups
5
The result of subtracting one number from another number.
Difference
If a tree falls in a forest and no one is there to hear it, does it make a sound?
Yes. If sound is vibrations, then the falling tree certainly does make a sound, because it produces vibrations in the air.
7 x 2 - (6+3) = ?
5
213-185 = ?
28
MENTAL MATH
155 + 245 = ?
400
5 x 5 x 4 = ?
100
MENTAL MATH
100 divided into 5 groups
20
Type of number with a numerator and denominator
Fraction
100,000 x 102= ?
10,000,000