LSCD.7.Math.NumberSense

Transcription

1 Student Jen Bluhm, Vicki Gale, and Quenny Sung Class Date LSC7.Math.NumberSense 1. What is the distance between Point A and Point B on the number line below? 4 units 5 units 9 units 13 units 2. The charge to rent a movie from a store is $3.50 for 3 days, which includes the day the movie is rented. A late fee of $1.00 is charged for each day or partial day the movie is kept beyond the first 3 days. Gabriel rented a movie on Monday and returned it on Friday that same week. What was the total charge Gabriel should have paid for renting this movie? $3.50 $4.50 $5.50 $6.50 LSC7.Math.postunit Page 1/9

2 3. If two different numbers have a sum of zero, which statement is true? One of the numbers is zero. The numbers are equivalent. The numbers are opposites. The numbers are multiplicative inverses of each other. 4. Which situation results in a final value of zero? After eating 2 pieces of fruit, each containing 100 calories, an athlete burned 100 calories while running. A person started with $ and then spent $45.00 at one grocery store and $70.00 at another grocery store. A submarine was 250 meters below sea level. In one hour, the submarine went up 200 meters and then went up 50 meters. The price of a gallon of juice was $3.00. In one week, the price of a gallon of juice increased $0.50 and then decreased $ What is the value of the following expression? 3 ( 15) LSC7.Math.postunit Page 2/9

3 6. What fraction is equal to 0.40? 7. What two number properties can be used to justify additive identity and associative property of addition additive identity and commutative property of addition zero property of multiplication and commutative property of addition commutative property and distributive property of multiplication over addition 8. What is the value of the following expression? LSC7.Math.postunit Page 3/9

4 9. Which problem situation could be solved by multiplying and 5? determining the time it took a person walking at a rate of mph to walk 5 miles finding the perimeter in centimeters of a rectangle with a length of 5 cm and a width of cm computing the amount of pizza each person gets if pizzas are split equally among 5 people calculating the number of yards of material needed to make 5 shirts if yards of material are needed to make each shirt 10. Which equation is correct? LSC7.Math.postunit Page 4/9

5 11. Serena takes $25 spending money out of her checking account every week. What is the change this causes in the number of dollars in her account after 7 weeks? 175 dollars 125 dollars 18 dollars 7 dollars 12. In the following equations, a and b are equal. Which number could be substituted for both a and b to make both equations correct? LSC7.Math.postunit Page 5/9

6 13. What value of x will make the statement true? What number goes in the to make the equation true? LSC7.Math.postunit Page 6/9

7 15. Which phrase best describes the reciprocal of 16. Tina was writing a report about the weather in Fairbanks, Alaska. Tina included this information about the weather in Fairbanks in her report. Average Summer Temperature: 61 F Average Winter Temperature: 12 F What was the difference between the average summer temperature and the average winter temperature in F? LSC7.Math.postunit Page 7/9

8 17. Which decimal is equivalent to Which point on the number line represents the number that can be added to to result in zero? Point A Point B Point C Point D LSC7.Math.postunit Page 8/9

9 20. Which expression is equivalent to zero? five minus six plus one five minus six plus zero six minus six minus five five minus six minus five 21. Samantha makes hair barrettes from ribbon. She has feet of ribbon and uses foot of ribbon to make each barrette. Part A: How many completed barrettes can Samantha make with the ribbon she has? Show your work or explain your answer. Samantha can complete barrettes with the ribbon she has. Part B: How much ribbon will Samantha have left over? Show your work or explain your answer. Samantha will have feet of ribbon left over. 22. Hannah needs two -foot boards and one -foot board for a woodshop project. For each question below, write your answer as a mixed number in simplest form and show all work needed to support your answer. What is the total length of board that Hannah needs? If Hannah cuts the pieces she needs from a 6-foot board, what is the length of the board that will be left over? How many woodshop projects can Hannah make from a 6-foot board? LSC7.Math.postunit Page 9/9