4th Grade Maths Practice: Fun Singapore Math Problems

$Math: Grade 1$
$Math: Grade 2$
$Math: Grade 3$
$Math: Grade 4$
$Math: Grade 5$
$Math: Grade 6$

[?] Subscribe To This Site

Maths Practice: 4th Grade Math: 12
Free Math Worksheets
Elementary Students

Decimals

Welcome to Homeschooling Paradise. If you are looking for 4th Grade maths practice for your kids, you have come to the right place. We have lots of fun math problems from Grade 1 to Grade 6 for you.

If you are new to Homeschooling-Paradise.com, please click our List of Free Math Worksheets.

If you have visited our website before, your worksheet is right below. Have fun!

Practice Maths
4th Grade Worksheet 12
Decimals

4th Grade Math: Fun Singapore Math: Maths Practice
Homeschool Math Problem 1

Lazy Leon could never get up in the mornings. His mother went to a shop and bought 3 alarm clocks which cost $9.40 each and spent her remaining money on 5 extra loud roosters. If she spent a total of $71.20 for the clocks and roosters, how much did she spend for each rooster?

Free Math Worksheets Elementary Students: Practice Maths
Math Problem 2

Gary Ghoul was hungry. He went to a morgue and bought 4 fresh corpses and 7 maggot-ridden corpses from Coroner Carl. He paid a total of $206.90 to the coroner. If each fresh corpse cost $16.20, how much was each maggot-ridden corpse.

4th Grade Math: Fun Singapore Math: Maths Practice
Homeschool Math Problem 3

Simon loved reptiles. On his wedding anniversary his wife went to a pet shop with $250.80. She bought 6 cute chameleons and 7 savage alligators for him with all her money. If each chameleon cost $25.70, how much did each alligator cost?

Free Math Worksheets Elementary Students: Practice Maths
Math Problem 4

The shark family wanted to go on a submarine ride. They paid a total of $252.70 for 9 adults and 8 kids. If the cost for each kid was $11.90, what was the cost for each adult?

4th Grade Math: Fun Singapore Math: Maths Practice
Homeschool Math Problem 5

Mutant flies and cockroaches invaded the city of Chuthu. Super Shimona rushed to the nearest supermarket and paid $79.10 for 5 bug sprays and 1 gigantic fly swatter. She then walked out and decimated the insect invaders. The fly swatter cost $26.90 more than each bug spray. How much did the fly swatter cost?

Free Math Worksheets Elementary Students: Practice Maths
Math Problem 6

Spaceman Sam flew to Planet Xintron and bought 1 ugly rock monster for his father and 6 cute furry woozies for his mother. He paid a total of $76.80. The rock monster cost $22.20 more than each woozie. How much did the rock monster cost?

4th Grade Math: Fun Singapore Math: Maths Practice
Homeschool Math Problem 7

Last Sunday, a hideous mutant monkey ran amok in my school and killed all our dear Singapore math teachers. I rushed to a nearby supermarket and bought 1 power-packed bazooka and 8 deadly grenades for a total of $230.06. I then put on my superhero costume and slew the monstrous monkey. If the bazooka cost $55.46 more than each grenade, how much did I pay for the bazooka?

Free Math Worksheets Elementary Students: Practice Maths
Math Problem 8

Gail Gorilla wanted to make fruit stew. She went to the market and paid a total of $262.80 for 1 huge banana and 6 tiny watermelons. The banana cost $9.40 more than each watermelon. How much did the banana cost?

4th Grade Math: Fun Singapore Math: Maths Practice
Homeschool Math Problem 9

Tiny Tim was brought to the doctor yesterday by his hysterical mother. While playing in the garden, he had swallowed an earthworm, a leech and a centipede. When the doctor pulled out the creatures from his tummy, he noticed that the total length of the earthworm, leech and centipede was 44.9 cm. The leech was 8.9 cm shorter than the earthworm. The centipede was 3 times as long as the leech. What was the difference in length between the earthworm and the centipede?

Free Math Worksheets Elementary Students: Practice Maths
Math Problem 10

Gorgeous Giant Graja had 3 enormous warts on her face. One was hairy, one was putrid green and the last was pus yellow. The total weight of the 3 warts was 54.9 kg. The hairy wart was 17.8 kg heavier than the green wart. The yellow wart was 5 times as heavy as the green wart. What was the difference in weight between the hairy wart and the yellow wart?

4th Grade Math: Fun Singapore Math: Maths Practice
Homeschool Math Problem 11

Three scrawny men, Adam, Toby and Marvin took part in a power-lifting competition. The winner who could carry the heaviest chicken would win the first prize. The three of them lifted a total of 201.9 kg. Toby lifted 123.5 kg more than Adam. The weight Marvin lifted was 6 times as much as Adam. How much more did Toby lift than Marvin?

Free Math Worksheets Elementary Students: Practice Maths
Math Problem 12

I was picking my nose last night. To my delight an emerald, a ruby and a diamond dropped out of my left nostril. I rushed to a pawnshop and sold them for a total of $66.50. The ruby cost $25.70 less than the emerald. The diamond cost 4 times as much as the ruby. What was the difference in price between the emerald and the diamond?

4th Grade Math: Fun Singapore Math: Maths Practice
Homeschool Math Problem 13

Ernie, an inmate of Alcatraz Prison, was so bored that he decided to take up weightlifting. In three days he had lifted a total of 47.8 kg. He lifted 1.2 kg more on Tuesday than of Monday. He lifted thrice as much on Wednesday as on Tuesday. How much did he lift on Wednesday?

Free Math Worksheets Elementary Students: Practice Maths
Math Problem 14

Caveman Crondu needed three mounts for his family to ride to a distant land. He went to a ranch and bought a vicious velociraptor, a dumb diplodocus and a shy iguanodon for $29.90. The iguanodon cost 90¢ more than the velociraptor. The diplodocus cost 5 times as much as the iguanodon. How much did the diplodocus cost?

4th Grade Math: Fun Singapore Math: Maths Practice
Homeschool Math Problem 15

Mad Professor Palaniappa created 3 flying frogs in his lab. The combined mass of the three frogs was 42.3 kg. The green frog weighed 5.7 kg less than the purple frog. The brown frog weighed 4 times as much as the purple frog. What was the weight of the brown frog?

Free Math Worksheets Elementary Students: Practice Maths
Math Problem 16

When I walked into my bedroom yesterday, I was surprised to see three animals playing cards on my bed. The total length of the 3 animals was 29 m. The lion was 70 cm longer than the hyena. The camel was 7 times as long as the lion. What was the length of the camel?

4th Grade Math: Fun Singapore Math: Maths Practice
Homeschool Math Problem 17

Rufus the Roman gladiator fought with 3 ostriches and 8 porcupines in the arena on Monday. All the ostriches were of the same height and all the porcupines were of the same height. Each ostrich was 4 times as tall as each porcupine. The total height of the fierce animals on Monday was 16 m. If brave Rufus fought with 6 ostriches and 4 porcupines on Tuesday, what was total height of the animals on Tuesday?

Free Math Worksheets Elementary Students: Maths Practice
Math Problem 18

Polly Penguin loved to read when she was not swimming. She went to a bookstore and spent $69.60 on 2 fantasy novels and 3 horror novels. Each horror novel cost 2 times as much as each fantasy novel. Her brother bought 4 fantasy novels and 7 horror novels. How much money did her brother spend?

4th Grade Math: Fun Singapore Math: Maths Practice
Homeschool Math Problem 19

Baker Billy baked 8 octopus pies and 2 walrus pies. He sold them all for a total of $28 to a soldier who broke down his door because he couldn't resist his pies. Each walrus pie cost 6 times as much as each octopus pie. If Baker Billy baked and sold 7 octopus pies and 8 walrus pies the next day, how much money did he make that day?

Free Math Worksheets Elementary Students: Practice Maths
Math Problem 20

There was a lake in the Amazon Rainforest where all the baby anacondas were of the same length and all the piranhas were of the same length. However, the baby anacondas were twice as long as the piranhas. When Bob went swimming in the lake last week, he was attacked by 2 anacondas and 5 piranhas. The total length of the piranhas and anacondas was 3.15 m. Sally jumped into the lake to save Bob but she too was attacked by 8 piranhas and 3 anacondas. What was the total length of the animals that attacked Sally?