Grade 8 Math Challenge

Grade 8 Math Challenge

8th Grade

20 Qs

quiz-placeholder

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Grade 8 Math Challenge

Grade 8 Math Challenge

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Hard

CCSS
HSA.CED.A.1, HSA.APR.A.1, HSA.REI.C.6

+16

Standards-aligned

Created by

Marlo Yema

Used 176+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

If 6 kg of biscuits cost $27, calculate the cost of 13 kg of biscuits.

$52.50

$58.50

$62.50

$68.50

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

CCSS.HSA.SSE.A.1

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

If y is directly proportional to x^2, when x = 2 and y = 20. Find the value of y when

x = 3.

25

35

45

55

Tags

CCSS.7.EE.B.4

CCSS.7.RP.A.2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

5 men can paint 2 identical houses in 3 days. Assuming that all men work at the same rate, how long will take 10 men to paint 8 such houses?

4 days

5 days

6 days

7 days

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.2

CCSS.HSA.REI.B.3

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Find the value of x and y in the given simultaneous equation

3x - y = 12

2x + y = 13

x = 5

y = 3

x= 3

y = 3

x = 5

y= 3

x = 5

y = 5

Tags

CCSS.HSA.REI.C.6

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Using elimination method, solve the simultaneous equations

13x - 6y = 20

7x + 4y = 18

x= 1

y=2

x = 2

y= 1

x = -1

y= -2

x = -2

y = -1

Tags

CCSS.HSA.REI.C.5

CCSS.HSA.REI.C.6

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The sum of two numbers is 67 and their difference is 3. Find the two numbers.

32 and 35

33 and 36

37 and 30

22 and 27

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.2

CCSS.HSA.CED.A.3

CCSS.HSA.REI.B.3

CCSS.HSA.REI.C.6

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Subtract 4x^2 + 5x - 11 from 6x^2 + 7x - 15

-2x^2 - 2x + 4

2x^2 + 2x - 4

-2x^2 + 2x - 4

2x^2 - 2x + 4

Tags

CCSS.HSA.APR.A.1

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