MENTAL MATH QUIZ 5 -8

Oct 22, 2026

Uploaded by Marglet

Mental Math Quiz 5:8 presents an 18-question mixed set of arithmetic, decimals, fractions, measurement, data, and geometry challenges for middle-grade learners. Students solve factor and algebra puzzles, compute products and expressions, find median values from a small data set, and perform estimation by rounding. The quiz also includes conversions, area and perimeter problems, unit and money calculation, mixed-distance comparisons, and a time-zone conversion between New York and Brisbane.

LanguageEnglish

CategoryExam

FormatPDF

Pages3

Reading Time8 min

AccessFree to download

Questions

Mixed arithmetic and expressions

Decimals, fractions, and estimation

Data, area, perimeter, and conversions

MENTAL MATH QUIZ 5:8 | 1) | Which of these numbers is a factor of both 24 and 57?
2 3 4 6 7 8 | | | | | --- | --- | --- | --- | --- | | 2) | I think of a number. I divide it by 5 and then add 4. The answer is 13. What was my number? | | | | | 3) | 0.3 x 40 | | | | | 4) | Write as a decimal 7 + 12̸100 | | | | | 5) | Which of these expressions shows 2 fewer than the product of 7 and 4?
2 – 7 + 4 2 –(7 x 4) 7 + 4 – 2 7 x 4 – 2 | | | | | 6) | Find the median of this data set: {11, 13, 15, 12, 19, 7, 11} . | | | | | 7) | Estimate the answer by rounding each number to the nearest whole:
14.16 x 2.93 | | | Is about | | 8) | What is the area of this triangle? | 6cm | | | | | | | 3cm | | | 9) | 300 + 0.4 + = 307.46 | | | | | 10) | 372.6 x 100 | | | | | 11) | 6 packages each have a mass of 11 pounds. How many pounds less than
5 stone is the total weight? | | | lb | | 12) | Flowers cost 70¢ for 10. How much would I need to pay for 25 flowers? | | | | | 13) | In a jumping competition, Captain jumps 4 ½ ft. Quadra jumps 2 ⅞ ft. How much further did Captain jump? | | | | | 14) | What is the value of 12 + 8
4 | | | | | 15) | The Salamanders guessed how far a frog could jump in a minute. Captain guessed 3.2m, Sally guessed 2.7m. Tyger guessed 2.1m. In the end, the frog jumped 245cm. Whose guess was closest? | | | | | 16) | Convert 3 5 into a decimal. | | | | | 17) | The perimeter of a regular hexagon is 42cm.
What is the length of each side? | | | | | 18) | The time in New York is 16:45 (EDT) . What is the time in Brisbane (AEST) which is 14 hours ahead? | | | | MENTAL MATH QUIZ 5:8 ANSWERS | 1) | Which of these numbers is a factor of both 24 and 57?
2 3 4 6 7 8 | | | 3 | | --- | --- | --- | --- | --- | | 2) | If 5x-1 =34 what is the value of x? | | | x = 7 | | 3) | 0.3 x 40 | | | 12 | | 4) | Write as a decimal 7 + 12̸100 | | | 7.12 | | 5) | Which of these expressions shows 2 fewer than the product of 7 and 4?
2 – 7 + 4 2 –(7 x 4) 7 + 4 – 2 7 x 4 – 2 | | | 7 x 4 – 2 | | 6) | Find the median of this data set: {11, 13, 15, 12, 19, 7, 11} . | | | 12 | | 7) | Estimate the answer by rounding each number to the nearest whole:
14.16 x 2.93 | | | Is about 42 | | 8) | What is the area of this triangle? | 6cm | | 9cm2 | | | | | 3cm | | | 9) | 300 + 0.4 + = 307.46 | | | 7.06 | | 10) | 372.6 x 100 | | | 37260 | | 11) | 6 packages each have a mass of 11 pounds. How many pounds less than
5 stone is the total weight? | | | 4 lb | | 12) | Flowers cost 70¢ for 10. How much would I need to pay for 25 flowers? | | | $1.75 | | 13) | In a jumping competition, Captain jumps 4 ½ ft. Quadra jumps 2 ⅞ ft. How much further did Captain jump? | | | 1 ⅝ ft | | 14) | What is the value of 12 + 8
4 | | | 5 | | 15) | The Salamanders guessed how far a frog could jump in a minute. Captain guessed 3.2m, Sally guessed 2.7m. Tyger guessed 2.1m. In the end, the frog jumped 245cm. Whose guess was closest? | | | Sally | | 16) | Convert 3 5 into a decimal. | | | 3.4 | | 17) | The perimeter of a regular hexagon is 42cm.
What is the length of each side? | | | 7cm | | 18) | The time in New York is 16:45 (EDT) . What is the time in Brisbane (AEST) which is 14 hours ahead? | | | 06:45 |

FAQs

What types of problems are included in this mental math quiz?

The quiz mixes arithmetic expressions, factors and algebra, decimals and fractions, estimation, median from a data set, money/unit calculations, geometry (area and perimeter), and time-zone conversion.

How do you approach the estimation question?

Round each number to the nearest whole first, then perform the multiplication using those rounded values to get the approximate result.

Where can students find the answers for each question?

The document includes a separate “ANSWERS” section listing the solution for each question number.

Oct 22, 2026

Uploaded by Marglet