Practice recognizing, writing, rounding, and using the first eight digits of pi in simple middle school math problems.
Read each problem carefully. Use the first eight digits of pi as 3.1415926 unless the problem asks you to round. Show your work in the space provided.
Memorize, identify, and use 3.1415926
Math - Grade 6-8
- 1
Write the first eight digits of pi, including the decimal point.
- 2
In the number 3.1415926, what digit is in the hundredths place?
- 3
Fill in the missing digits: 3.14__926
- 4
Round 3.1415926 to the nearest hundredth.
- 5
Round 3.1415926 to the nearest ten-thousandth.
- 6
Which number is greater: 3.1415926 or 3.1415296? Explain how you know.
- 7
A student writes pi as 3.1419526. Identify the first digit that is incorrect when compared with 3.1415926.
- 8
Place 3.1415926 on a number line between 3.14 and 3.15. Is it closer to 3.14 or 3.15?
- 9
Use pi = 3.1415926 to estimate the circumference of a circle with diameter 10 centimeters. Use C = pi times d.
- 10
Use pi = 3.1415926 to estimate the circumference of a circle with diameter 4 meters. Use C = pi times d.
- 11
Write 3.1415926 rounded to the nearest whole number. Explain your reasoning.
- 12
Create a memory phrase using words with letter counts that match the digits 3, 1, 4, 1, 5, 9, 2, 6. Write your phrase and check that the word lengths match 3.1415926.