Mental Math
1017+740+12
1769
MENTAL MATH
100-55-4=
MENTAL MATH
36+60-18
78
MENTAL MATH
30x40
1200
How do you find the Perimeter?
Is out the inside portion or the outside?
Outside!
Area would be the Inside portion
14+56-30+2-7+17=
52
Mental Math
100+1087+3+411=
1601
MENTAL MATH
1600 - 6 - 782=
MENTAL MATH
563-246=
317
MENTAL MATH
13*5=
65
6, 20, 26
__+__= __+__=
__-__=
6+20=26
26-20=6
20+6=26
PEMDAS
Mental Math
10+20+30+20+8
88
MENTAL MATH
36 - 40 =
-4
Did we getcha?!
MENTAL MATH
267+558-476+2-942=
361
MENTAL MATH
8*8+17=
81
MENTAL MATH
1010/10
101
How many sides are on a Rhombus?
4
Mental Math
871+99+810=
1780
MENTAL MATH
489 - 154 =
335
MENTAL MATH
9945 - 246 + 122=
9821
MENTAL MATH
7x40
280
MENTAL MATH
650/25
26
How many sides are on a Square Pyramid?
(Hint: Think about the Pyramids in Egypt)
5
Mental Math
2580+311+874=
3765
MENTAL MATH
3401- 1208- 411=
1782
MENTAL MATH
54+34+99-321
-134
MENTAL MATH
6 x 10 + 12 - 20=
52
MENTAL MATH
256/8
What is Ms. Katelyn's favorite animal?
Octopus!
Fun Fact: What is the plural of Octopus?