Rational Number Operations

Quiz by Amber Shelton

Grade 7

Mathematics

North Carolina K-8 Extended Content Standards

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15 questions

Show answers

- Q1Alice had ─$17 in her bank account. She added the $64.27 she earned that week. Then, he spent $54.50 on a new game. How much money is in her account now?-7.23300s
- Q2Over the course of a 7 week aerobics class, the people participating have a combined weight change of ─35 pounds. If there are 4 people in the class, what is the average change in weight per person?-8.75300s
- Q3Justin gives his sister 3/5 of his dollar. How much money is that?$0.35$0.40$0.60$3.50300s
- Q4Brian buys 2 books for $15.99 each, a DVD for $19.95, and a magazine for $2.50. He also returns a jacket that costs $42.59. What is the net change in the amount of money he has after his shopping trip?11.8466.27-11.84-66.27300s
- Q5What is 50% as a simplified fraction?1/2300s
- Q6What is 1/4 as a decimal?0.25300s
- Q7What is 1/8 as a decimal?0.120.1250.180.25300s
- Q8What is the percent form of 4/5?80%300s
- Q9What is the simplified fraction form of 0.4?2/5300s
- Q10Omar makes a total of $51.75 selling brownies and muffins at a bake sale. If he sells 16 brownies for $2.25 each, how many muffins does he sell at $1.75 each?51179300s
- Q11Marilyn lives 3.5 blocks from the library She leaves the library and walks 3.5 blocks before realizing she is walking in the opposite direction from her house. After walking 3.5 blocks back, how far does Marilyn have to walk?7-73.5-3.5300s
- Q12The bowling team scores ─ 48 points compared to their earlier match. If there are 6 people on the team, what is the average score difference per person?8-8300s
- Q13Ms. Williams 7th grade class goes on a field trip to the science museum. They are there for 2.5 hours. Ms. Williams gives them questions that require them to visit 6 exhibits. How many minutes should they spend at each exhibit?2.525424.2300s
- Q14Francine recorded today’s high temperature as 78.6°F. Today’s low temperature was 4.7°F less than that. How much cooler was today’s low temperature than yesterdays low temperature, which was 77.4°F?3.5300s
- Q15What is 1/10 as a percentage?100%0.10%10%1%300s