Free Printable Math Worksheets: No. 1
Singapore Third Grade Math Problems

Addition and Subtraction
One-Step and Two-Step Problems

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Free Printable Math Worksheets: No. 1
Addition and Subtraction
One-Step and Two-Step Problems

A large monster emerged from the sea and went on a rampage in Kusu Island. The government sent in 1234 paratroopers and 5678 commandos to attack the monster. The smart soldiers realized that the monster was ticklish so they tickled it to death. How many brave soldiers tickled the monster?

Homeschool: Singapore Third Grade Math Worksheet
Problem 2

I was sleeping one night when a hungry vampire sucked 3652 liters of blood from me and 1865 liters of blood from my little brother. How much blood did the hungry vampire drink that night?

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Singapore Math Problem 3

My family loves seahorse pie. My father and I went fishing for seahorses last Sunday. I caught 1186 seahorses and my father netted 4371 seahorses. How many seahorses did we catch altogether?

Homeschool: Singapore Third Grade Math Worksheet
Problem 4

I took a nap in a bog one day and woke up screaming. 3796 leeches, 2910 fleas and 1044 vampire bats were stuck to my bald head drinking my blood in ecstasy. How many bloodthirsty bloodsuckers were dining on my head?

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Singapore Math Problem 5

Kung Fu Lung Lee and his wife were sleeping one night when 5241 ninjas sneaked into their house. Kung Fu Lung Lee woke up immediately and slaughtered 1153 screaming ninjas. His wife viciously stabbed 2806 shrieking ninjas with her sharp chopsticks. The rest of the ninjas fled in terror. How many ninjas turned tail?

Homeschool: Singapore Third Grade Math Worksheet
Problem 6

When a mad sorcerer summoned a demon out of hell, he almost fainted in horror. The hideous demon had 9999 writhing tentacles sticking out of its ears and mouth. If the creature had 1111 tentacles sticking out of its left ear and 5287 tentacles sticking out of its right ear, how many tentacles were sticking out of its mouth?

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Singapore Math Problem 7

John, Jack and Jim lit up their pipes after dinner and began blowing smoke rings. By the time they were finished, they had blown a total of 6437 smoke rings. If John blew 52 smoke rings and Jack blew 3896 smoke rings, how many smoke rings did Jim blow?

Homeschool: Singapore Third Grade Math Worksheet
Problem 8

I went to a pet store and paid a total of $8165 for a muttering monkey, a parading peacock and a giggling gibbon. The peacock cost $2604 and the monkey cost $3226. How much was the gibbon worth?

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Singapore Math Problem 9

Charles and Simon went on safari in Africa and came across a herd of grazing African buffalo. Charles shot 203 buffalo with his shotgun and Simon decapitated 2094 buffalo with his machete. If 2851 buffalo escaped, how many buffalo were grazing in the first place?

Homeschool: Singapore Third Grade Math Worksheet
Problem 10

Some monkeys were swinging in a tree. 2149 monkeys fell when a branch broke. 1890 monkeys fled when a python slithered up the tree. If there were 1763 monkeys left in the tree, how many monkeys were in the tree in the beginning?

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Singapore Math Problem 11

Ayasha wanted to make a huge carpet from the fur of rabbits, deer and wolves. If she caught 25 rabbits, 4513 deer and 1683 wolves, how many animals did she catch altogether?

Homeschool: Singapore Third Grade Math Worksheet
Problem 12

I boarded a train going to hell and saw some devils in the train. 3641 devils got off the train at Inferno Station to terrorize the locals there. 1049 devils got off at Lost Souls Station to eat lunch at Lucifer's Lovely Pizzas. If there were 419 devils left in the train headed for hell, how many devils were in the train at first?

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Singapore Math Problem 13

Shigeru Samurai and Nobuo Ninja heard that a dragon had a hoard of diamonds in its cave. They sneaked into the cave while the dragon was asleep and began pocketing the diamonds. Unluckily, the dragon woke up and chased the two warriors out of the cave. When they got back home, Shigeru found that he had 803 diamonds and Nobuo had 1538 more diamonds than him. How many diamonds did they steal altogether?

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Problem 14

Martha and Bertha robbed a bank last Saturday. Martha stole $4251 and Bertha stole $1124 more than Martha. How much money did they steal altogether?

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Singapore Math Problem 15

Samuel Skunk and Sally Skunk went to a French restaurant yesterday to have dinner. The waiter, however, insulted them for being smelly. Samuel sprayed 2683 people in his anger. Sally sprayed 2311 more people than Samuel. How many people badly needed a bath after that?

Homeschool: Singapore Third Grade Math Worksheet
Problem 16

When I woke up this morning, I saw 1484 imps jumping on my bed. There were also 5498 more chimps than imps jumping on my bed. How many gleeful creatures were jumping on my bed?

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Singapore Math Problem 17

A UFO landed in New York last year and a horde of bloodthirsty aliens began killing everyone in sight. The government called in the SWAT team to destroy the aliens. Two officers in the SWAT team, Bill and Jill, killed the most number of aliens and received medals for their bravery. Bill killed 3522 aliens and Jill killed 2683 fewer aliens than Bill. How many aliens did the two of them kill altogether?

Homeschool: Singapore Third Grade Math Worksheet
Problem 18

When I woke up in the middle of the night, there were two monsters staring at me. One monster had 5681 furry eyes, and the other had 3628 fewer eyes than the former. How many eerie furry eyes did they have in total?

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Singapore Math Problem 19

Wizard Wally and Sorceress Sazdi entered a maze to kill the minotaurs there. Wally destroyed 6981 minotaurs with a wave of his wand. Sazdi killed 5671 fewer minotaurs than Wally by freezing them. How many minotaurs did they kill altogether?

Homeschool: Singapore Third Grade Math Worksheet
Problem 20

My mother has 4827 hairy warts on her bald head. My father has 1395 fewer warts on his bald head than my mother. How many lovely warts do they have altogether?

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Answers To Third Grade Singapore Math Problems: Worksheet 1

Q1 - 6912; Q2 - 5517; Q3 - 5557; Q4 - 7750; Q5 - 1282

Q6 - 3601; Q7 - 2489; Q8 - $2335; Q9 - 5148; Q10 - 5802

Q11 - 6221; Q12 - 5109; Q13 - 3144; Q14 - $9626, Q15 - 7677

Q16 - 8466; Q17 - 4361; Q18 - 7734, Q19 - 8291, Q20 - 8259

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