Math Word Problems for Students — page 3
8,263 math word problems with answers, students. Grade-school word problems with step-by-step solutions. Reveal the answers below, pick one at random, or present them full-screen.
- 101.
Ernie's income is 4/5 of what it used to be and Jack's income is now twice what Ernie used to make. How much do they earn combined if Ernie used to make $6000?
Answer: 16800If Ernie's income is 4/5 of what it used to be, she is earning 4/5*$6000=$4800 now Jack's income is now twice what Ernie used to make a total of 2*$6000 = $12000 Combined, Ernie and Jack are making $12000+$4800 = $16800
- 102.
Lightning McQueen, the race car, cost 140000$. Mater only cost 10 percent of that, and Sally McQueen cost triple what Mater costs. How much does Sally McQueen cost?
Answer: 42000Mater:140000(.10)=14000$ Sally:14000(3)=42000$
- 103.
Valerie's cookie recipe makes 16 dozen cookies and calls for 4 pounds of butter. She only wants to make 4 dozen cookies for the weekend. How many pounds of butter will she need?
Answer: 1Her original recipe makes 16 dozen and she only needs 4 dozen so she needs to reduce the recipe by 16/4 = 4 For 4 dozen cookies, she needs to reduce her recipe by 4 and the original called for 4 pounds of butter so she now needs 4/4 = 1 pound of butter
- 104.
There are 6 periods in the day for a normal student but John has to take 2 extra classes. Each class is 40 minutes long. He goes to class for 5 days a week. He then spends 1/16 of his weekly minutes each on Saturday and Sunday as extra learning time. How many hours a week does he spend learning?
Answer: 30He takes 6+2=8 classes a day That means he spends 40*8=320 minutes per day in class So he spends 320*5=1600 minutes a week That means he spends 1600/16=100 minutes each on Saturday and Sunday So he spends 1600+100+100=1800 minutes per week So he spends 1800/60=30 hours per week
- 105.
Mrs. Lacson harvested 80 sweet potatoes. She sold 20 of them to Mrs. Adams and 15 of them to Mr. Lenon. How many sweet potatoes are not yet sold?
Answer: 45Mrs. Lacson sold a total of 20 + 15 = 35 sweet potatoes. Hence, there are still 80 - 35 = 45 sweet potatoes left unsold.
- 106.
Kyle can lift 60 more pounds this year, which is 3 times as much as he could lift last year. How many pounds can Kyle lift in all?
Answer: 80Since Kyle can lift 60 more pounds and that is 3 times what he could do before, that means that last year Kyle could lift 60 pounds / 3 = 20 pounds. Kyle can now lift 60 pounds + 20 pounds he could lift last year = 80 pounds.
- 107.
A desert garden's sprinkler system runs twice a day during the cool morning and evening hours. It waters the garden with four liters of water in the morning and six liters in the evening. How many days does it take the sprinkler system to use 50 liters of water?
Answer: 5Every day, the sprinkler uses 4 + 6 = 10 liters of water. Hence, it takes the sprinkler system 50 / 10 = 5 days to use 50 liters of water.
- 108.
In 2010 the Chicago Bulls won 70 games. The Miami Heat won 5 more games than the Chicago Bulls. How many games did the Bulls and the Heat win together?
Answer: 145The Heat won 5 more games than the Bulls so they won 70 + 5 = 75 games. The total games won together is 70+75 = 145 games.
- 109.
In a room, there are various toys: 5 red cars, 3 action figures, and a doll. The doll cost as much as 3 action figures and one red car cost $4. How much are all toys worth, of an action figure costs $5?
Answer: 50Three actions figures are worth 3 * 5 = $15, as much as the doll. The red cars are worth 5 * 4 = $20. So all toys are worth 20 + 15 + 15 = $50.
- 110.
Elijah drank 8.5 pints of coffee yesterday. Emilio drank 9.5 pints of water yesterday. How many cups of liquid did the two boys drink yesterday?
Answer: 36Total drunk: 8.5 + 9.5 = 18 pints 18 pints * 2 = 36 cups The two boys drank a total of 36 cups of liquid yesterday.
- 111.
Every morning Harry takes 15 minutes to buy coffee and a bagel and twice that long to read the paper and eat before going in to work. How long does Harry's morning routine take?
Answer: 45First find the time Harry spends eating: 15 minutes * 2 = 30 minutes Then add the time he spends buying breakfast to find the total time: 30 minutes + 15 minutes = 45 minutes
- 112.
Amy had two eyeshadow palettes with four colors each and three makeup sets that came with six eyeshadow colors each. Her sister steals one of the palettes. Amy uses up half of the colors from one makeup set. How many eyeshadow colors does she have left?
Answer: 19Amy had 2 * 4 + 3 * 6 = 8 + 18 = 26 eyeshadow colors to start. Her sister stole one palette of 4 colors, leaving Amy with 26 - 4 = 22 colors. Half the colors from one makeup set are 6 / 2 = 3 colors. Thus, Amy has 22 - 3 = 19 eyeshadow colors left.
- 113.
A 40 meters rope was cut into 2 parts in the ratio of 2:3. How long is the shorter part?
Answer: 16The rope was cut into 2 + 3 = 5 parts. So each part is 40/5 = 8 meters long. Since the shorter part is consists of 2 parts, then it is 8 x 2 = 16 meters long.
How to use these math word problems
- Think-pair-share. Give one problem, two minutes alone, two minutes with a partner, then compare methods as a class.
- Estimate first. Before solving, ask for a quick estimate. Comparing estimate and answer builds number sense.
- Show the steps. Reveal the worked solution only after students share theirs — then discuss the differences.
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