Mental Math
50 +25=
75
Mental Math
60- 10 =
50
MENTAL MATH
10 X 20 =
200
How many tens are in..
784
8
MENTAL MATH
400 divided into 5 groups
80
How many days until the IAR MATH Exam?
0! Its today!
What is 32 ?
9
Mental Math
100 + 900 =
1,000
Mental Math
Jack had a lemonade stand and made $25 the first day and $30 the next day. How much money did he make?
$55
(Bonus point if you can tell how you figured out the answer!)
Guess What?
Free Point !!!!
MENTAL MATH
9 x 3 =
27
Mental Math
18 divided into 6 groups = ?
3 in each group!
Guess What ?
Free Point !!!!!
What is 92
81
5 + 5 + 5 +5
20
(Bonus point if you can tell a different strategy for 5+5+5+5!)
562-100
462
MENTAL MATH
155 + 245 = ?
400
Mental Math
20 x 41 =
820
MENTAL MATH
How much of this amount is bold? 0 0 0 0
Tell it in fraction form.
1/4 (one-fourth)
The important statement that Mrs. Mendez writes to tell you what you are going to learn.
The Objective
What is 42 ?
16
Friendly Mental Math
865 + 10
875
649-349
300
MENTAL MATH
50 + 50 + 10 =
110
Mental Math
20 x 1=
20
MENTAL MATH
1/2 in decimal form
.5
Tell what you should do FIRST (Order of Operations)!
4 + (2x5)
Solve what is in the (Parenthesis) first!
What is 52 ?
25
Mental Math
1,048 + 200 =
1248
Mental Math
250-150
100
Friendly MENTAL MATH
37 + 63 =
100
MENTAL MATH
8 x 9 x 2 =
140/10
14
What math key strategy will help you do well on the IAR Math Exam?
HIGHLIGHT numbers and labels.
What is 62 ?
36