Say What?
Mental Math
30+30
60
Mental Math
20-10
10
MENTAL MATH
37 + 68 =
105
MENTAL MATH
2 x 12
24
area of 2x3
6
Name a shape that has 4 sides.
square, rectangle, rhombus
What am I asking you to do if I ask for the sum of two numbers
addition
Mental Math
7 x 2 = ?
14
99 - 45
54
How would I represent this number in pictorial form
1,802
1- thousand block
8- hundreds
0- tens
2- ones
MENTAL MATH
8+8+8
24
Mental Math
area of 3x4
12
22-5
17
The difference between two numbers
subtraction
Mental Math
I have 21 kids, how many groups do I need if I want 7 in each group.
3
Mental Math
60 - 30 =
30
MENTAL MATH
90 + 499 =
580
8*1
8
MENTAL MATH
What is the name of an 8 sided shape
Octogon
99-63
36
Unit of measurement used on a ruler to measure things
Inches
Mental Math
100+200+300
600
168-9
159
MENTAL MATH
30 + x = 70
x = 40
Mental Math
4 x 7 =
28
MENTAL MATH
How many sides does a decagon have
10
What operation is used when you hear "How many more"
subtract
How many feet equal 1 yard
3
Mental Math
What is this number in expanded form
1,089
1,000+0+80+9
562-191
371
MENTAL MATH
155 + 245 = ?
400
3*7
21
MENTAL MATH
What is 93+93
186
We have 56 girls and 20 boys. How many students are there in all?
76
How many inches equals a foot
12