Entering Pre-Algebra Summerwork 2024
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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?

<p>2617</p> Signup and view all the answers

What is 5042 − 473?

<p>4569</p> Signup and view all the answers

What is 625 divided by 4?

<p>156.25</p> Signup and view all the answers

What is 3.26 + 9.42?

<p>12.68</p> Signup and view all the answers

What is 6.176 + 42.08?

<p>48.256</p> Signup and view all the answers

What is 14.06 − 8.200?

<p>5.86</p> Signup and view all the answers

Convert 2 divided by 4 to percent.

<p>50%</p> Signup and view all the answers

What is −65 + 7?

<p>−58</p> Signup and view all the answers

What is 36 − (−6)?

<p>42</p> Signup and view all the answers

What is 8 divided by 3?

<p>2.67</p> Signup and view all the answers

What is 40 − 12 ÷ (2 × 3)?

<p>37</p> Signup and view all the answers

What is (70 + 15) ÷ 5?

<p>17</p> Signup and view all the answers

What is 72 ÷ 9 − (3 + 3)?

<p>0</p> Signup and view all the answers

If Mina has $37.80 left from a $50.00 gift card, how much money has she spent?

<p>$12.20</p> Signup and view all the answers

If there are 100 seats in the gym and 80% are being used, how many seats are being used?

<p>80</p> Signup and view all the answers

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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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.

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