Singapore Math Word Problems
1st Grade Free Math Worksheet: 8
With Lovely Math Clip Art

Addition and Subtraction Within 40

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1st Grade Math Word Problems - Worksheet 8
Addition and Subtraction Within 40

Evil aliens invaded the earth to steal the First Grade Math Word Problems that were kept in the President's safe. The president sent 38 brave police officers and superheroes to kill the aliens. Sadly, the aliens captured all of them and stuck sardines into their noses. If 12 police officers were captured, how many more superheroes than police officers were captured?

Singapore Free Math Worksheets: Question 2

Vimala the wombat was lining up to buy some pickles at a supermarket. If 8 people were in front of her and 17 people behind her, how many people were lining up altogether?

Homeschool Singapore Math: 1st Grade Math Question 3

In a bizarre bazaar in the city of Allaguppu, two merchants were selling llamas that could do the laundry. Merchant Manu sold 11 llamas in August. Merchant Perchant sold 6 more llamas than Manu in the same month. How many llamas did they sell altogether?

Singapore Free Math Worksheets: Question 4

Blim finished all his Math Word Problems that his father gave him. So he was allowed to play outside. He caught some snails in his garden. He then gave his mother 7 snails to make sandwiches with, and gave his brother 14 snails to play with. If Blim had 13 snails left, how many snails did he catch in the garden?

Homeschool Singapore Math: 1st Grade Math Question 5

Kachia Kangaroo is a busy mother. To help her with her housework, she bought a dishwasher. However, her dishwasher breaks many dishes. Kachia had 36 dishes in the beginning. Her dishwasher broke 19 of them and she bought another 14 dishes. How many dishes does she have now?

Singapore Free Math Worksheets: Question 6

My Singapore math teacher has 35 wriggly worms and squirmy snails on his shiny bald head. There are 16 wriggly worms. So how many more snails than worms are there?

Homeschool Singapore Math: 1st Grade Math Question 7

Baron Bronsky aced all his Singapore math word problem tests at school. So he grew up to become an ace fighter pilot. When humans ate all the bananas in the world, the gorillas and gibbons were furious. They bombed many human cities with their airplanes in revenge. To protect the cities, Baron Bronsky shot down some gorilla planes and 21 gibbon planes. If he shot down 36 planes altogether, how many more gibbon planes than gorilla planes did he shoot down?

Singapore Free Math Worksheets: Question 8

Wilma the Wallaby began throwing coconuts at her math teacher from the first day of school. She threw 2 coconuts on the 1st day, 5 coconuts on the second day and 8 coconuts on the 3rd day. If she follows this pattern every day, how many coconuts did she throw at her poor teacher on the 8th day of school?

Homeschool Singapore Math: 1st Grade Math Question 9

Some mean robbers were robbing a bank. When Detective Donald arrived he shot 13 bearded robbers, 11 smelly robbers and 4 bald robbers. How many robbers did the detective shoot?

Singapore Free Math Worksheets: Question 10

Marla Mastiff was bored because her master, instead of spending time with her, was doing his Singapore Math Word Problems. So she went out and bit 8 old ladies and 21 old men. On her way back home, she bit 5 boys who threw tomatoes at her. How many people did Marla bite altogether?

Homeschool Singapore Math: 1st Grade Math Question 11

Chow Koon and Low Koon, two lazy brothers, wanted to escape from their mother who was pestering them to finish their First Grade Math Word Problems. So they crossed over to the other side of the river by stepping over some crocodiles. Chow Koon stepped over 7 more crocodiles than Low Koon. If Chow Koon stepped over 33 crocodiles, how many crocodiles did Low Koon step over?

Singapore Free Math Worksheets: Question 12

Maria Mandrill and Gloria Gorilla collect human toenails for a hobby. Maria Mandrill collected 13 toenails. Gloria Gorilla collected 5 fewer toenails than Maria Mandrill. How many toenails did they collect altogether?

Homeschool Singapore Math: 1st Grade Math Question 13

Billy Belly was lining up to dive from the diving board at a local swimming pool. There were 15 people in front of him and 18 people behind him. How many people were lining up to dive?

Singapore Free Math Worksheets: Question 14

Sara Serpent had a lucky day. She caught 36 mongooses. When she wanted to bake them in her oven, 5 mongooses escaped. Of the remaining mongooses that she baked, she gave 15 to William Viper. How many baked mongooses did she have in the end for her supper?

Homeschool Singapore Math: 1st Grade Math Question 15

Tammy Pterosaur had a nest of ravenous chicks. She was delighted when her chicks finished their Math Word Problems on Monday. So she decided to catch some plump barbarians to feed her hardworking chicks. She flew to a nearby village and caught some flea-ridden barbarians. When she was flying back to her nest with her catch, 7 barbarians fell and escaped. After giving 14 barbarians to her chicks for supper she had 9 barbarians left. How many barbarians did she catch from the village?

Singapore Free Math Worksheets: Question 16

35 funky monkeys and wacky wallabies are dancing in a disco. There are 27 wacky wallabies. How many more wacky wallabies than funky monkeys are having a groovy time?

Homeschool Singapore Math: 1st Grade Math Question 17

The ants wanted to have a hotdog party. They love to have lots of mustard with their hotdogs. So Alan Ant and Kelly Ant went to a grocery store and stole 37 mustard bottles altogether. If Alan Ant stole 29 mustard bottles, how many more mustard bottles than Kelly Ant did he steal?

Singapore Free Math Worksheets: Question 18

17 diligent monkeys finished their Singapore Math Word Problems Test and boarded an empty bus to go back home. 12 monkeys alighted at the next bus-stop and 23 monkeys boarded the bus. How many passengers are on the bus?

Homeschool Singapore Math: 1st Grade Math Question 19

Moira Mosquito had a feast last night when she stumbled into a hospital. She drank the blood of 14 boys, 16 girls and 5 adults before she was squished by my granny. How many times did she drink blood?

Singapore Free Math Worksheets: Question 20

In a faraway land called Bluebaktoo, everyone was either blue or green. 22 people were blue. There were 13 fewer green people than blue people. How many people lived in Bluebaktoo altogether?

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Now for the answers.

First Grade Math Worksheet 8 - Answers

Q1 - 14, Q2 - 26, Q3 - 28, Q4 - 34, Q5 - 31

Q6 - 3, Q7 - 6, Q8 - 23, Q9 - 28, Q10 - 34

Q11 - 26, Q12 - 21, Q13 - 34, Q14 - 16, Q15 - 30

Q16 - 19, Q17 - 21, Q18 - 28, Q19 - 35, Q20 - 31

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