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美国初中数学习题

2024-08-30 来源:好走旅游网
Unit 3 – Square Roots and Surface Area (textbook Chpt. 1)

Identifying Perfect Squares and their Square Root Value - whole values, decimal values, and fractional values

List all the perfect square values from 1 to 150. Determine the value of the square roots.

a) e)

i) 25

b) f) j) 121 c) g) k) 2500 1.96

d) 640 0000.36

64 36

0.0081 25h) 10021 4

9 000 000

Identify the Perfect Square value for each square root value given. a) 17 b) 2.7 c) 2 d) 28.1

Estimate Square Roots of Non-Perfect Squares

Identify the two perfect square values the following numbers fall between. a) 38 b) 92 c) 115

Using the information above, estimate the square root values. a) 38 b) 92 c) 115

11Using Square Roots in Real World Applications

Solve for the value asked for. a) A = 265.69 cm2

48 cm cm

b)

?

c)

?

62 17 cm

8 cm

?

Calculate the Surface Area of Rectangular Prisms, Triangular

Prisms, and Cylinders

Calculate the surface area of each solid. Show process! Incorporate a single equation! a) b) c) d)

Calculate the Surface Area of Composite Shapes

- utilize the concept of OVERLAP

Calculate the surface area of the composite shapes. Consider the OVERLAP of the solids making up the composite shape and utilize in your calculation. a) b)

Additional Review/Practice can be found in the textbook on the following pages… Study Guide – pg. 44 Extra Practice - pg. 21; pg. 45 - 47

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