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Questions and Answers
How many tens are in 317?
31
Round 317 to the tens place.
320
Write 317 in expanded form.
300 + 10 + 7
What is 2431 + 186?
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What is 5042 − 473?
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What is 625 divided by 4?
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What is 3.26 + 9.42?
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What is 6.176 + 42.08?
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What is 14.06 − 8.200?
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Convert 2 divided by 4 to percent.
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What is −65 + 7?
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What is 36 − (−6)?
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What is 8 divided by 3?
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What is 40 − 12 ÷ (2 × 3)?
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What is (70 + 15) ÷ 5?
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What is 72 ÷ 9 − (3 + 3)?
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If Mina has $37.80 left from a $50.00 gift card, how much money has she spent?
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If there are 100 seats in the gym and 80% are being used, how many seats are being used?
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Study Notes
Using Place Value with Mathematical Operations
- Identify the number of tens in 317: There are 31 tens.
- Round 635 to the nearest tens place: Rounds to 640.
- Write in expanded form for 1,072: 1,000 + 0 + 70 + 2.
- Calculate 2,431 + 186: The result is 2,617.
- Calculate 5,042 - 473: The result is 4,569.
- Find 625 divided by 4: The answer is 156.25 (implies some rounding).
Solving with Decimals, Fractions, and Percents
- Calculate 3.26 + 9.42: The sum is 12.68.
- Calculate 6.176 + 42.08: The result is 48.256.
- Calculate 14.06 - 8.200: The difference is 5.86.
- Divide 2 by 4: The quotient is 0.5, which converts to 50%.
- Solve 4/3 + 8/3: The sum is 4, as it's simplified from 12/3.
- Calculate 6 - 6/3: The result is 4.
- Calculate 8 divided by 3: The result is 2.67, which converts to approximately 266.67%.
Simplifying Expressions - Including Negative and Positive Numbers
- Simplify -65 + 7: The result is -58.
- Simplify 36 - (-6): The result is 42.
Using the Order of Operations
- Calculate 40 - 12 ÷ (2 + 3): Follow order; the final answer is 38.
- Calculate (70 + 15) ÷ 5: The result is 17.
- Calculate 72 ÷ 9 - (3 + 3): Following order gives the result of 0.
Word Problems
- Mina has $37.80 left from an initial $50.00, leading to a spending amount of $12.20.
- In a gym with 100 seats, if 80% are occupied, 80 seats are being used (80% of 100 = 80).
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Description
Prepare for your upcoming Math quiz with this summerwork in Pre-Algebra at Jemicy Upper School. This independent practice is designed to help you reinforce key concepts and get ready for the new school year. Complete the exercises to set yourself up for success in mathematics.
