What is Perimeter?
Perimeter is the measure of the outside lengths of a shape
What is area?
Area is the measure of the inside of a shape
What operation do i use to find the sum?
Addition
45/5=?
9
How do i solve perimeter?
How do a find area?
by multiplying length times width
lxw=a
If Sally has 18 apples but 4 have be thrown away, how many does she have left?
What happens if she is given 15 apples later?
18-4=14
14+15=29
17+26
33
Find the perimeter. of the shape below
14+8+8+16+22=68
Find the area of the triangle
L=6
W=9
6X9=654
What operations tell me to make something?
Addition and multiplication
20x10
200
How many equal sides does this polygon have ?
4 equal pairs of sides
Find the area of the square
L=12
W=12
12x12=144
The inverse of Addition is______
Multiplication is the inverse of _______
Inverse=opposite
The inverse of multiplication is division
Solve 15x6 using circles
15 circles with 6 dots in each, 90
Find the perimeter
74
w=17
lxw
17x17
Cassie has 14 pair of shoes. She receives 3 more pairs for her birthday. How many pairs does Cassie have in total?
How many shoes in total?
Cassie has 17 pairs of shoes and
17x2=34 shoes all total
Solve the fact family
15/3=?
?x3=15
?=5