Free Printable Math Worksheets
Singapore Third Grade
Math Worksheet 3

Addition and Subtraction
If/Then and Comparison Model Approach

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Free Printable Math Worksheets: No. 3
Addition and Subtraction
If/Then and Comparison Model Approach

Tommy Tiger and Lucinda Lion were tired of working in the circus. They escaped from the circus and began to catch ringmasters and lock them in cages. By the time they were finished, Tommy had 70 more caged ringmasters than Lucinda. Tommy then gave Lucinda 15 ringmasters because his cage was overcrowded. How many more caged ringmasters than Lucinda did he have after that?

Singapore Third Grade Maths Worksheets: Math Problem 2

Itch and Scratch are two mangy dogs. Itch had 125 more fleas on its body than Scratch. When Itch decided to take a bath, 25 of the fleas from Itch jumped onto Scratch. How many more fleas than Scratch does Itch have now?

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Homeschool Math Problem 3

Fiona Fridge and Frieda Fridge ran away tearfully from home because their mistress, Hilda Hag, never cleaned them. Sometimes, she even chained them up and whipped them. When they left home, Fiona had 489 more moldy pizzas in her than Frieda. As the pizzas were too heavy, she gave 12 of them to Frieda. How many more pizzas than Frieda does Fiona have now?

Singapore Third Grade Maths Worksheets: Math Problem 4

My Singapore math teacher was almost bald. I felt sorry for him. Since I had 888 more strands of hair than my teacher, I gave him 7 strands out of pity. How many more strands of hair than my delighted Singapore math teacher do I have now?

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Homeschool Math Problem 5

Count Dracula and Wilma Witch sneaked into a hospital to steal blood. When they came back home, Count Dracula had 613 liters more blood than Wilma Witch. But Count Dracula was a bully and he forced poor Wilma Witch to give him 9 liters of blood. How many more liters of blood than Wilma did he have after that?

Singapore Third Grade Maths Worksheets: Math Problem 6

Ugly Ulma had 79 more hairy warts on her face than Hideous Hilga. When Ugly Ulma begged Hideous Hilda to give her 8 warts, Hilga agreed. So how many more warts than Hilga does Ulma have now?

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Homeschool Math Problem 7

Two hounds, Howl and Growl, lived in Farmer Fred's house. When a burglar entered their home one night, Howl slept while Growl chased him away. Farmer Fred was pleased with Growl. He gave Growl 266 more fried frogs than Howl. But Growl was greedy. Growl howled and growled at Howl. So Howl handed over 39 fried frogs to Growl in fear. How many more fried frogs than Howl did Growl have after that?

Singapore Third Grade Maths Worksheets: Math Problem 8

Two neighbors, Tan and Chong, were plagued by diseased rats. Tan had 666 more rats in his house than Chong. Chong bought a pet demon to chase the rats away. 87 of the rats fled to Tan's house for safety. How many more rats were there in Tan's house than Chong's house after that?

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Homeschool Math Problem 9

A swarm of bloodsucking flies descended upon Egypt. King Tut and King Rehotep leapt onto their chariots and began to catch the flies with their long sticky tongues. By the time they were finished, King Tut had swallowed 7 times as many flies as King Rehotep. If King Rehotep caught 251 flies, how many delicious flies did King Tut swallow?

Singapore Third Grade Maths Worksheets: Math Problem 10

When Knight Kerry entered a cave to save a damsel in distress, he was horrified. Two huge monsters had chained the damsel at the back of the cave. The green monster had 125 glaring eyes in its head. The red monster had 8 times as many eyes as the green monster. Knight Kerry strangled the green monster with his bare hands. He then took out his darning needle and stabbed the eyes of the red monster. How many eyes did he have to stab?

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Homeschool Math Problem 11

I was sleeping one night when a group of ninjas stealthily entered my house to murder me. I woke up immediately and killed 158 ninjas. My grinning grandma massacred 6 times as many ninjas as I with her rolling pin. How many ninjas did my grandma kill?

Singapore Third Grade Maths Worksheets: Math Problem 12

Marilyn Mermaid has 379 turtle shells with her. Fatimah Fairy has thrice as many turtle shells as Marilyn. How many turtle shells does Fatimah have?

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Homeschool Math Problem 13

Mousy Mouse and Moley Mole lived in a hole in a hotel kitchen. When they peeked out of their mousehole yesterday they spied the cook taking out some sausages from the freezer. When the cook had her back turned to them, Mousy Mouse grabbed 547 sausages. Moley Mole snatched 6 times as many sausages as Mousy Mouse. How many sausages did they steal altogether?

Singapore Third Grade Maths Worksheets: Math Problem 14

I bought a hoarse horse for $241 and a Turkish turkey that cost 9 times as much as the hoarse horse. How much did I spend?

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Homeschool Math Problem 15

Paul the proud peacock has 7 times as many beautiful blue feathers as Pritchard the vain peacock. If Pritchard has 905 blue feathers, how many blue feathers do they have altogether?

Singapore Third Grade Maths Worksheets: Math Problem 16

My sister greedily lapped up 483 liters of maggot juice from a saucer. I slurped up 5 times as much creamy maggot juice as she. How much delightfully delicious maggot juice did we drink altogether?

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Homeschool Math Problem 17

Peter Puffin and Paul Puffin took part in a fishing competition. Peter Puffin caught 91 savage sharks with his powerful beak. Paul Puffin, who was much stronger than Peter Puffin, caught 6 times as many sharks as Peter. How many more sharks than Peter did Paul catch?

Singapore Third Grade Maths Worksheets: Math Problem 18

Pretty Priscilla has 421 dainty eyelashes. Beautiful Bianca has 9 times as many lovely eyelashes as Priscilla. How many more eyelashes than Priscilla does Bianca have?

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Homeschool Math Problem 19

Sheila and Kayla went scuba diving in the Indian Ocean to catch some stingrays for supper. Sheila caught 642 stingrays. Kayla caught 7 times as many stingrays as Sheila. How many more stingrays than Sheila did Kayla catch?

Singapore Third Grade Maths Worksheets: Math Problem 20

I am 171 cm tall. My pet troll is 5 times as tall as I. How much taller than I is my pet troll?

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Here are the answers.

Answers To 3rd Grade Maths Worksheet 3

Q1 - 40; Q2 - 75; Q3 - 465; Q4 - 874; Q5 - 631 liters

Q6 - 95; Q7 - 344; Q8 - 840; Q9 - 1757; Q10 - 1,000

Q11 - 948; Q12 - 1137; Q13 - 3829; Q14 - $2410; Q15 - 7240

Q16 - 2898 liters; Q17 - 455; Q18 - 3368; Q19 - 3852; Q20 - 684 cm

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