Mathematics Grade 9 15 min

Subtraction with pictures

Subtraction with pictures

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1

A 10x8 yard has a 4x3 patio inside. What is the area of the grass?

2

A square sign with a side of 10 has a circle of radius 3 cut out. Find the remaining area. (Use π ≈ 3.14)

3

A circular disc has a radius of 5. A hole of radius 2 is drilled in the center. Find the area of the ring. (Use π ≈ 3.14)

Sample Practice Questions

Easy
A 5x5 room has a 2x3 rug. What is the area of the bare floor?
0.19
1.25
2.6
3.31
Easy
A sheet of paper is 8x10. A 3x3 square is cut out. What is the remaining area?
0.80
1.9
2.89
3.71
Easy
A square of side 4 has a circle of radius 1 cut out. What is the remaining area? (Use π ≈ 3.14)
0.12.86
1.16
2.3.14
3.19.14

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