Free Math Word Problems - Fun Math Downloads

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Free Math Word Problems
Singapore Math
Primary 4 Worksheet 3

Whole Numbers

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Primary 4 Math Word Problems: Worksheet 3
Whole Numbers

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Singapore Math: Free Math Word Problems: Question 1 alien examines caveman clip art

A curious alien landed in a jungle on Earth and spotted 2 cavemen taking a nap under a tree. When the alien examined the cavemen with a magnifying glass, it was surprised to see that the cavemen had an equal number of lice in their dirty beards. The alien took 150 lice from the 1st cavemen's beard and 60 lice from the 2nd caveman's beard and popped them into its mouth for it was hungry. After that, the 2nd caveman had 4 times as many lice in his beard as the 1st caveman. How many lice did each caveman have at first?

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Math Downloads: Free Math Printables: Question 2

When I went up to my bedroom last night, I was shocked to see some vampires and werewolves sitting on my bed and knitting socks for me. The number of vampires was equal to the number of werewolves. When I threw some garlic at them, 555 vampires and 495 werewolves shattered the window by jumping through it and fled howling in fear. However, I couldn't go to bed because there were still 6 times as many werewolves as vampires knitting on my bed. How many werewolves were in my room at first?

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Singapore Math: Free Math Word Problems: Question 3

My grandpa and grandma had the same number of strands of hair in their nostrils. I volunteered to pull out their nose hair with my trusty tweezers. I removed 201 strands of hair from my grandpa's nostrils and 185 strands of hair from my grandma's nostrils yesterday. My grandma had thrice as many strands of nose hair as my grandpa after that. How many strands of nose hair did each of them have in the beginning?

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Math Downloads: Free Math Printables: Question 4

My 2 sisters, Alice and Janice, kissed a handsome frog last week. They ended up with an equal number of hairy boils on their tongues this week. I brought them to a witch doctor who removed 420 boils from Alice's tongue and 320 boils from Janice's tongue. Now Janice has 5 times as many ugly boils as Alice. How many boils did Janice have at first?

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Singapore Math: Free Math Word Problems: Question 5

490 evil convicts escaped from prison. Fred used his 3 clever bloodhounds, Sniff, Smell and Scent, to track the escaped convicts. Sniff tracked down twice as many convicts as Smell. Scent, who had a sharp nose, nabbed twice as many convicts as Sniff. If the 3 smart dogs caught all the convicts, how many more convicts than Smell did Scent catch?

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Math Downloads: Free Math Printables: Question 6

My grandpa was toothless, bald and had only one rheumy eye. First, he bought a purple wig from a hairdresser. Next, he bought golden dentures from a dentist. He finally went to a clinic and bought a marble eye. He paid a total of $600 for the 3 items. The dentures cost thrice as much as the wig, and the eye cost twice as much as the dentures. What is the difference in cost between the eye and the wig?

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Singapore Math: Free Math Word Problems: Question 7

A monster bug escaped from a mad scientist's lab and boarded a train. It ate altogether 990 people and pets in the train. It wolfed down twice as many women as men, and 4 times as many pets as women. How many more pets than men did it devour?

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Math Downloads: Free Math Printables: Question 8

Brian loves deformed chickens. Last weekend he bought 770 mutant chickens from a mad scientist. When he brought them home, he noticed that he had twice as many hairy chickens as bald chickens, and twice as many wooly chickens as hairy chickens. How many more wooly chickens than bald chickens did he have?

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Singapore Math: Free Math Word Problems: Question 9

I went to the circus yesterday. The final act was an animal juggling act. There were altogether 63 dogs, cats and birds in that act. There were 9 more juggling dogs than cats. There were twice as many birds as the combined total of dogs and cats. How many more birds than dogs were in that show?

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Math Downloads: Free Math Printables: Question 10

I swam in the Amazon River last week. I had brought my beach ball with me so I played water polo with 117 friendly dolphins, anacondas and piranhas. There were 17 more dolphins than anacondas. The number of piranhas was twice the combined total of dolphins and anacondas. How many more piranhas than anacondas did I play water polo with?

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Singapore Math: Free Math Word Problems: Question 11

The king of Toogaland hired 212 knights, barbarians and poodles to guard his castle against marauding dragons. There were 25 more knights than barbarians. The number of poodles was thrice the combined total of knights and barbarians. A fire dragon attacked the castle this morning and swallowed all the knights, barbarians and poodles in one gulp. How many more poodles than knights are digesting in the dragon's tummy?

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Math Downloads: Free Math Printables: Question 12

My grandpa, grandma and dad entered a weightlifting competition. They lifted a total of 260 kg. My grandpa, who was a karate champion, lifted 33 kg more than my dad. My grandma, who was a sumo wrestler, lifted thrice as much as the combined total mass my grandpa and dad lifted. How much more did my strong grandma lift than my grandpa.

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Singapore Math: Free Math Word Problems: Question 13

Sam and Lyam were two balding men. Sam had thrice as much hair as Lyam. Sam went to a hairdresser later and got 75 strands of hair snipped of. After that, Lyam had twice as much hair as Sam. How many more strands of hair did Sam have at first than Lyam?

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Math Downloads: Free Math Printables: Question 14

I invited some zombies and ghouls to my birthday party last night. There were 4 times as many zombies as ghouls there. All of them were dancing to Michael Jackson's Thriller when suddenly the lights went out. 140 zombies sprinted back to their cemetery shrieking in terror. After that, there were twice as many ghouls as zombies left in my house. How many more zombies than ghouls were at my party at first?

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Singapore Math: Free Math Word Problems: Question 15

Girl gives teddy bear gift to boy clip art

Sheila had two good friends, Rob and Bob. She gave Bob 5 times as many teddy bears as Rob. Bob didn't like teddy bears so he gave 270 teddy bears to his pit bull terrier to tear apart. After that, Rob had twice as many teddy bears as Bob. How many more teddy bears did Bob have in the beginning than Rob?

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Math Downloads: Free Math Word Problems: Question 16

Two toads, Trippy and Brippy, had many ugly warts on their bodies. Trippy had 6 times as many warts as Brippy but he wanted to marry a pretty princess. So Trippy paid Witch Wilda to remove 385 warts from his body. After that, Brippy had twice as many warts as Trippy. How many more warts than Brippy did Trippy have in the beginning?

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Singapore Math: Free Math Word Problems: Question 17

Harry Heart wanted to make vegetable stew. He went to the local supermarket and bought 3 carrots and 2 tomatoes. He paid a total of $135. Each tomato cost thrice as much as each carrot. What is the difference in cost between a carrot and a tomato?

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Math Downloads: Free Math Printables: Question 18

I have 2 baby gorillas and 4 chipmunks in my house. Their combined weight is 300 kg. Each gorilla weighs 3 times as much as each chipmunk. What is the difference in weight between each gorilla and each chipmunk?

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Singapore Math: Free Math Word Problems: Question 19

On Labor Day, the good boss of Alabalam Company carried his employees home. He had 2 female and 2 male employees whose total mass was 480 kg. All the male employees had the same mass and all the female employees had the same mass. The mass of the male employees was thrice as much as the female employees for they ate too many chicken liver curry pizzas. What is the difference in mass between each male and female employee?

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Math Downloads: Free Math Printables: Question 20

My sister rears 2 vipers and 2 anacondas in her bedroom to keep burglars away. The total length of the 4 snakes is 96 m. Each anaconda is 5 times as long as each viper. What is the difference in length between each viper and each anaconda?