Spectrum Math Grade 3 Chapter 9 Pretest Answer Key

Students can use the Spectrum Math Grade 3 Answer Key Chapter 9 Pretest as a quick guide to resolve any of their doubts.

Spectrum Math Grade 3 Chapter 9 Pretest Answers Key

Check What You Know

Question 1.
Divide the circle into fourths. Label each fourth with the appropriate fraction.

Answer:
Divide the given Circle into Equal amount of four halves with Equal parts. Then , Label each part with the fraction as 1 / 4, 1 / 4 , 1 / 4 and 1 / 4 which is as shown below.

Question 2.
Divide the square into thirds. Label each third with the appropriate fraction.

Answer:
Divide the given Square into Equal amount of three halves with Equal parts. Then , Label each part with the fraction as 1 / 3, 1 / 3 and 1 / 3 which is as shown below.

Question 3.
Divide the rectangle into sixths. Label each sixth with the appropriate fraction.

Answer:
Divide the given Rectangle into Equal amount of six halves with Equal parts. Then , Label each part with the fraction as 1 / 6, 1 / 6 , 1 / 6 , 1 / 6, 1 / 6 and 1 / 6 which is as shown below.

Complete the following.

Question 4.
Figure: square
Number of Sides: ____________
Number of Square Corners: _____________
Number of Other Corners: ______________
Answer:
Square corner is nothing but having four sides with similar length and the four corners which exist at right angles (90 degrees)
Number of Sides:  4
Number of Square Corners:  4
Number of Other Corners:    4

Question 5.
Figure: circle
Number of Sides: ____________
Number of Square Corners: _____________
Number of Other Corners: ______________
Answer:
Square corner is nothing but having four sides with similar length and the four corners which exist at right angles (90 degrees)
Number of Sides:   0
Number of Square Corners: 0
Number of Other Corners: 0

Question 6.
Figure: rectangle
Number of Sides: ____________
Number of Square Corners: _____________
Number of Other Corners: ______________
Answer:
Square corner is nothing but having four sides with similar length and the four corners which exist at right angles (90 degrees)
Number of Sides: 4
Number of Square Corners: 4
Number of Other Corners: 4

Question 7.
Figure: cube
Number of Square Faces: ____________
Number of Triangle Faces: _____________
Number of Rectangle Faces: _____________
Number of Edges: ____________
Answer:
A cube doesn’t have any Triangle (or) Rectangle face but contain six Equal faces that are listed as shown below.
Number of Square Faces:  6
Number of Triangle Faces: 0
Number of Rectangle Faces: 0
Number of Edges: 12

Question 8.
Figure: square pyramid
Number of Square Faces: ____________
Number of Triangle Faces: _____________
Number of Rectangle Faces: _____________
Number of Edges: ____________
Answer:
In a square Pyramid the rectangular faces are totally absent but contain a Single Square face and the number of Edges are eight.
Number of Square Faces: 1
Number of Triangle Faces:  4
Number of Rectangle Faces: 0
Number of Edges: 8

Question 9.
Figure: sphere
Number of Square Faces: ____________
Number of Triangle Faces: ____________
Number of Rectangle Faces: ____________
Number of Edges:  ____________
Answer:
A sphere has a single circular face and no Vertices and No edges .Therefore number of Square , Triangular , Rectangle faces are given as zero.
Number of Square Faces: 0
Number of Triangle Faces: 0
Number of Rectangle Faces: 0
Number of Edges: 0

Circle the shapes named.

Question 10.
Circle the quadrilaterals.

Answer:
Usually , Quadrilaterals are of six types .In the given diagrams , The Quadrilaterals are Rhombus , Arrow Navigator, Trapezoid and parallelogram having 4 sides and 4 vertices.

Question 11.
Circle the rectangles.

Answer:
In the above given Diagram, the rectangles are Square and rectangle as shown below.

Question 12.
Circle the rhombuses.

Answer:
Following are the Rhombuses which are as shown below.