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Math 2 Review Grade 5

5.OA.2 Operations and Algebraic Thinking

Question: Write an expression for 13 plus the product of 13 and 16.

Answer: 13 + (13 X 16)

Question: Write and expression for the quotient of 72 and 8, plus 7

Answer: (72 / 8) + 7

Question: The tickets for the after school dance cost $3 per person. The student council made $648. Write an expressions to show how many tickets were sold.

Answer: $648 / 3 ($648 divided by 3)

Question: Donald and Laura went river rafting. They traveled 26 miles in two days. The first day they traveled 14 miles. Write and expression to show how many miles Donald and Laura traveled the second day.

Answer: 26 -14

Question: The basketball team scored a total of 72 points to win their game. They scored 14 points the 1st quarter, 26 points the 2nd quarter, and 15 points the 3rd. Write an expression to show how many points the basketball team scored in the 4th quarter.

Answer: 72 - (14 + 26 + 15)

5.NBT.2 Number and Operations in Base Ten

Question: A number has a 7 in the ten thousands place. If you multiply the number by 10, where will the 7 be in the product?

Answer: The 7 will be in the hundred thousands place.

Question: Biz Mart had a sale on the newest smart phone. They were selling the new phone for $100. On Saturday, they sold 36 phones. How much money did Biz Mart make on Saturday?

Answer: $3,600

Question: Using what you know about powers of 10, how can you use mental math to multiply 45.9 by 10³ ? (4 X 3) + (18 ÷ 6)
4 X (3 + 18) ÷ 6
Answer: No,
the first expression equals 15 and the second expression equals 14

Question: Zach divides 6 cups of fruit juice equally among 8 friends. How much juice does each friend get? Write your answer in a fraction.

Answer: Each friend gets 3/4 cup.