MENTAL MATH
10-20=?
-10
MENTAL MATH
300+189=?
489
MENTAL MATH
50 x 3 = ?
150
MENTAL MATH
40 divided into 5 groups
8
What does the phrase "of" mean in a fraction equation
multiplication
Give an equivalent fraction of 5/6
10/12 15/18 50/60 etc...
Fiona wants to buy a phone charger worth $37, but she only has a $50 bill How much change will she receive?
$13
MENTAL MATH
37 + 70 =
What is 107
MENTAL MATH
11 x 12=?
MENTAL MATH
24/4=?
6
What does "sum," mean
Answer to an addition problem
Which is the largest fraction
5/12 or 4/10
5/12
MENTAL MATH
60-31=?
29
MENTAL MATH
145+155=?
300
MENTAL MATH
12 x 7 =?
84
MENTAL MATH
175/5=?
35
If a word problem asks you "how much more/less" you should use this operation
Subtraction
Calculate 6/18 ÷ 3/2
12/54 = 2/9
MENTAL MATH
562-191
What is 371
MENTAL MATH
98+499=?
597
MENTAL MATH
45 x 8 =?
360
MENTAL MATH
182/7=?
26
What do you call the numbers 4 and 7 in the problem 4 x 7 = 28
factors
Michael has travelled four tenths of a 25km trip. How many km has he got left?
15km
MENTAL MATH
642-318=?
324
MENTAL MATH
345,134+56,134=?
401,268
MENTAL MATH
76 x 5 = ?
380
MENTAL MATH
1620/12=?
What is the word "difference," refer to in math?
Subtraction
Calculate 4/5 + 3/6
39/30 = 1 3/10