Adding/Subtracting
Rounding
Multiplication
Division
Geometry
100
80-20=
60
100
round 71 to the nearest 10's place
70
100
8.4=
32
100
50:5=
10
100
Look at the two line segments, which one is longer?
AB _______
CD_______________
AB___CD?
AB<CD
200
120+55=
175
200
round 86 to the nearest tens place
90
200
23
. 3
69
200
72:9=
8
200
What do we use to mark a point in geometry?
a capital letter
300
500-150=
350
300
round 726 to the nearest hundreds place
700
300
32
. 4
128
300
18:5
3 r. 3
300
Draw to parallel lines on the board
Lines should not intersect at any place
400
410+350=
760
400
Round 358 to the nearest hundreds place
400
400
132
. 3
396
400
132:2
66
400
What is the name of this shape?
Triangle
500
644
-462
182
500
round 728 to the nearest tens place.
730
500
113
. 8
904
500
40:2+15
35
40:2+15
20+15
35
500
What do we call a line segment that measures the length of a circle?
Diameter