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Mastering Math: Diamond Problems and Graphs

Authored by Brian Tang

Mathematics

8th Grade

Mastering Math: Diamond Problems and Graphs
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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solve the diamond problem: The numbers on the left and right are 77 and 33 . The number on the top is their sum, and the number on the bottom is their product. What are the top and bottom numbers?

Top: 1010 , Bottom: 2121

Top: 44 , Bottom: 1010

Top: 2121 , Bottom: 1010

Top: 1010 , Bottom: 2424

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the value of −8+13-8 + 13 ?

−21-21

55

−5-5

2121

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which graph best represents a scenario where a car starts at rest, accelerates steadily, and then moves at a constant speed?

A straight horizontal line

A line that curves upward and then becomes straight

A line that goes downward

A zigzag line

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If the product of two integers is −24-24 and one of them is 66 , what is the other integer?

−4-4

44

−18-18

1818

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A word problem states: "Sarah has xx apples. She buys 55 more and then gives away 33 ." Which expression models the number of apples Sarah has now?

x+5+3x + 5 + 3

x−5+3x - 5 + 3

x+5−3x + 5 - 3

x−5−3x - 5 - 3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solve the diamond problem: Left: −2-2 , Right: 55 . What is the top (sum) and bottom (product)?

Top: 33 , Bottom: −10-10

Top: 77 , Bottom: 1010

Top: −7-7 , Bottom: −10-10

Top: 33 , Bottom: 1010

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which integer operation is correct?

−7−4=−3-7 - 4 = -3

−7+4=−3-7 + 4 = -3

−7+4=11-7 + 4 = 11

−7−4=11-7 - 4 = 11

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