Mental Math
40+30
70
Mental Math
20-10
10
MENTAL MATH
37 + 68 =
105
MENTAL MATH
8 x 9
72
36 / 6
What does LENGTH mean?
How long something is.
Lilly had 20 pencils and gave Quinn 5 pencils. How many pencils does Lilly have left over?
15 pencils
Mental Math
9 x 2 = ?
18
Mental Math
Julia wants to buy a phone charger worth $44, but she only has a $50 bill How much change will she receive?
$6.00
345 + 134 =
479
MENTAL MATH
50 x 2 =
100
Mental Math
54 divided into 6 groups
9
What does AREA mean?
How much is inside an object.
Angelina had 50 markers and Lilly gave her 11 more. How many markers does Angelina have now?
61 markers
Mental Math
6 divided by 3=
2
Mental Math
60 - 40 =
20
MENTAL MATH
410 + 38 =
448
Mental Math
8 x 5 = ?
41
MENTAL MATH
40 divided into 5 groups
8
Would you use CM or M to measure the length of our classroom?
Metres
How many legs does 5 cats have?
20 legs
Mental Math
4x4x4
12
649-318
331
MENTAL MATH
3 + x = 27
x = 9
Mental Math
31 x 22 =
68
7 x 7 x 7 x 7
28
What is an example of a NON-STANDARD unit of measurement?
Foot, hand, pace, paperclip, etc.
How many legs do 5 spiders have?
40 legs
8 x 8
562-191
371
MENTAL MATH
155 + 245 = ?
400
Mental Math
1000 + 418 =
1418
MENTAL MATH
100 divided into 5 groups
50
What is an example of a STANDARD unit of measurement?
CM, M, KM, INCH
How many legs does 8 octopus' have?
64 legs