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43,214 + 7,328= 50,542

582 x 47 = 27,354

234468 ÷ 2 =

3,269 ÷ 21 = 155 r 14

7 58 12+ = 124

7

7 58 12- =

2411

3 48 9x = 6

1

This polygon has 4 sides and one pair of parallel lines.

trapezoid

This polygon has 3 sides and one angle over 90°.

Obtuse triangle

Isosceles triangles have only 2 congruent sides

How an isosceles triangle is different from an equilateral triangle.

GCF of 16 and 36

4

24

LCM of 6 and 8

Solve for n.

(5 + n) x 3 = 9 x 3

n = 4

45,300

Round to the nearest hundred:

45,327

Find the area:

5 in.

8 in.

40 in2

20 cm.3 cm.

3 cm

.

4 cm.

5 cm

.

5 cm.

Find the perimeter: