Class 7 word problems

2
Word Problems 1. When the birthday cake was about to be served, you were told you could have 0.6, 60%, 3/5, 6%. Which 3 will give you the same size portion? Solution: 0.6, 60%, 3/5 are equivalent. 2. 4/7 of the birthday cake was eaten on your birthday. The next day your dad ate 1/2 of what was left. You get to finish the cake, how much is left? Solution: 3/14 3. The grocery store parking lot will hold 1000 vehicles. 2/5 of the parking spaces are for cars. When you went to buy groceries, there were 200 cars and some trucks in the parking lot. The parking lot was 3/4 full. How many trucks were in it? Solution: 550 trucks. 4. Justin is making snowballs to build a fort on the winter break. Justin can build 15 snowballs in an hour but 2 snowballs melt every 15 minutes. How long will it take him to build 210 snowballs? Solution: 30 hours. 5. The recipe for mint chocolate ice cream requires 2 1/4 cups of cream for 5 people. You need ice cream for 8 people. How much cream will you need? Solution: 3.6 cups. 1. Sam loves basketball and can sink the ball in the net 65% of the time. If he takes 30 shots, how many will he sink? Solution: 19 if you don’t round up. 2. If your allowance was a penny doubled every day, how many days would it take for you to have over $1000.00? On which day would you have over $10 000.00? How much money would you have on the 15th day? Solution: a-on day 18 you would have $1308.16. b- Answer: on day 21 you would have $10465.28 c- Answer: you would have $163.52 3. Tom built a fence around his rectangular shaped pool. The posts are 2 yards apart; there are 4 posts along the width and 8 posts along the

Transcript of Class 7 word problems

Page 1: Class 7 word problems

Word Problems1. When the birthday cake was about to be served, you were told you could have 0.6,

60%, 3/5, 6%. Which 3 will give you the same size portion?Solution: 0.6, 60%, 3/5 are equivalent.

2. 4/7 of the birthday cake was eaten on your birthday. The next day your dad ate 1/2 of whatwas left. You get to finish the cake, how much is left?Solution: 3/14

3. The grocery store parking lot will hold 1000 vehicles. 2/5 of the parking spaces are for cars.When you went to buy groceries, there were 200 cars and some trucks in the parking lot. The parking lot was 3/4 full. How many trucks were in it?Solution: 550 trucks.

4. Justin is making snowballs to build a fort on the winter break. Justin can build 15 snowballs in an hour but 2 snowballs melt every 15 minutes. How long will it take him to build 210 snowballs?Solution: 30 hours.

5. The recipe for mint chocolate ice cream requires 2 1/4 cups of cream for 5 people. You need ice cream for 8 people. How much cream will you need?Solution: 3.6 cups.

1. Sam loves basketball and can sink the ball in the net 65% of the time. If he takes 30 shots, how many will he sink?Solution: 19 if you don’t round up.

2. If your allowance was a penny doubled every day, how many days would it take for you to have over $1000.00? On which day would you have over $10 000.00? How much money would you have on the 15th day?Solution: a-on day 18 you would have $1308.16.b- Answer: on day 21 you would have $10465.28c- Answer: you would have $163.52

3. Tom built a fence around his rectangular shaped pool. The posts are 2 yards apart; there are 4 posts along the width and 8 posts along the length. How many posts does Tom need and what are the dimensions of the fence? Solution: 20, 14y by 16y

4. A bag of marbles can be shared equally among 3, 5 or 6 students with none left over. What’s the least amount of marbles that can be in the bag? Solution: 30

5. If there are 150 people born in the world every minute; how many are born every Hour? Day? Year?Solution: Hour = 9000, Day = 216 000, Year= 78 840 000

Page 2: Class 7 word problems

6. An 800 car parking lot is divided into 3 sections. There are 270 spots in section 1, and 150 more in section 2 than in section 3. How many spots are in section 2? Solution: 340