Show:
Rounding Numbers
Adding within 1000
Subtracting within 1000
Multiplying by 10s
Review
100

Round 76 to the nearest tens spot

80

100

78+30=

108

100

99-65=

34

100

10x10=

100

100

What shape has 4 sides?

Square, rectangle, parallelograms, rhombus, trapezoids

200

Round 154 to the nearest tens spot

150

200

109+47=

156

200

156-55=

101

200

5x80=

400

200

What does parallel mean?

Two lines that never intersect
300

Round 678 to the nearest hundreds spot

700

300

97+36=

135

300

587-384=

203

300

60x3=

180

300

3, 6, 9, 12, __, __, __, __

..., 15, 18, 21, 24
400

Round 499 to the nearest tens spot

500

400

567+176=

743

400

765-648=

117

400

90x5=

450

400

658+258=

916

500

Round 964 to the nearest hundreds spot

1000

500

762+233

995

500

872-678=

194

500

100x10=

1000

500

What shape has 8 sides?

Octogon