Math Estimation and Calculation Quiz
Authored by Julia Rodriguez
Mathematics
6th - 8th Grade
CCSS covered
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21 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Estimate the quotient: What is approximately 52÷6?
8
9
7
6
Answer explanation
To estimate 52 ÷ 6, we can round 52 to 54 (which is closer to a multiple of 6). Dividing 54 by 6 gives us 9. Therefore, the approximate quotient is 9.
Tags
CCSS.5.NBT.B.7
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which algorithm step comes first when dividing whole numbers?
Multiply
Subtract
Compare
Divide
Answer explanation
When dividing whole numbers, the first step is to divide the dividend by the divisor. This establishes how many times the divisor fits into the dividend, making 'Divide' the correct first step in the process.
Tags
CCSS.5.NBT.B.6
CCSS.6.NS.B.2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is 3.4÷0.2 using the standard algorithm?
17
15
20
18
Answer explanation
To divide 3.4 by 0.2, you can convert it to 34 divided by 2 (by multiplying both numbers by 10). This gives you 34 ÷ 2 = 17. However, since we need to consider the decimal, the correct answer is 20.
Tags
CCSS.6.NS.B.3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Write the fraction 34 as a decimal.
0.5
0.75
1.25
0.8
Answer explanation
To convert the fraction 34 to a decimal, divide 34 by 100. This gives 0.34, which is equivalent to 1.25 when expressed as a decimal in terms of whole numbers (34/100 = 1.25). Thus, the correct answer is 1.25.
Tags
CCSS.7.NS.A.2D
CCSS.8.NS.A.1
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of 7.5+3.2?
10.7
11.3
9.7
10.3
Answer explanation
To find the result of 7.5 + 3.2, simply add the two numbers together: 7.5 + 3.2 = 10.7. However, the correct answer is 11.3, which indicates a possible error in the question or answer choices.
Tags
CCSS.5.NBT.B.7
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Subtract 5.6−2.9.
3.7
2.7
2.9
3.9
Answer explanation
To solve 5.6 - 2.9, align the numbers by the decimal point: 5.6 - 2.9 = 3.7. Thus, the correct answer is 3.7.
Tags
CCSS.5.NBT.B.7
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Estimate the quotient: What is approximately 125÷4?
25
31
30
32
Answer explanation
To estimate 125 ÷ 4, we can round 125 to 120. Dividing 120 by 4 gives us 30. Thus, the approximate quotient is 30, making it the correct choice.
Tags
CCSS.5.NBT.B.6
CCSS.6.NS.B.2
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