Rational numbers - practice for 10 year olds
Number of problems found: 52
- Angel 4
Angel bought 11 spools of wire. Each spool has 2.8 meters of wire. How many meters of wire did Angel buy in all?
- 3 purchases
Joe bought a sweatshirt for $19.95, a T-shirt for $10.75, and a pair of shoes for $65.70. How much did he spend on the three purchases?
- An electrician 4
An electrician buys a 100 m length of 3 mm electrical cable. By the end of the week, he had used up 35.5 m of the total length. How much of the cable is left?
- Wang bought
Wang bought a box of a facemask at php 150.75 and a piece of a face shield at php 37.45. How much change did she get for her php 500 peso bill?
- Money balance
At the beginning of the month, Hector had $52.43 saved up. He then earned $16.94 doing chores and spent $20.35 at the mall. How much money does he have now?
- Kurt bought
Kurt bought a sandwich for $5.70, a bag of chips for $2.50, and a drink for $1.55. The tax was $0.80. He gave the cashier $15.00. How much change should Kurt have received?
- An enterprise
An enterprise bought eight units of photocopiers for Php 25,655.50 each, a table for Php 12,340.75, a chair for Php 6,489.25, and an adding machine for Php 5,250.95. Find the total amount of the purchases. Division & multiplication are the operations to b
- Compare numbers
Compare the numbers: 0.327 and 0.0895 (which is bigger and which is smaller?)
- Rounding
Double round number 235, first to tens, then to hundreds. (double rounding)
- Rolls
Mom bought 13 rolls. Dad ate 3.5 rolls. How many rolls were left when Peter ate two at dinner?
- Expression 8
Evaluate this expressions: a) 5[3 + 4(2.8 - 3)] b) 5×(8-4)÷4-2
- Wire
From wire 53 meters long, they cut 12.1 meters and then 13.1 meters. How many meters of wire are left?
- Cubic
Convert 1503 m³ of natural gas volume to energy units kWh. Combustion of 1 cubic meter of natural gas is released energy 10.55 kWh.
- Package
The package was 23 meters of textile. On the first day, it sold 12.3 meters. How many meters of textile remained in the package?
- Sorting ASC
Which group of decimals is in order from least to greatest? A) 1.04, 0.39, 0.8, 2.1, 0.09 B) 2.1, 1.04, 0.39, 0.8, 0.09 C) 0.09, 0.39, 0.8, 1.04, 2.1 D) 0.09, 0.39, 0.8, 2.1, 1.04
- Angie
Angie poured four cartons of milk, each with 2.4 liters, into a mixing bowl. How many liters of milk were there altogether?
- Adding mixed 3
Why does 1 3/4 + 2 9/10 equal 4.65? How do you solve this?
- Parcel service
A parcel from the U.S. to Slovakia costs 5.3 €, and a parcel from Slovakia to the U.S. costs 49 €. Calculate how many times Slovak Post is more expensive than the U.S. parcel service.
- Apples 4675
How many kilograms of apples would you buy for 300 euros if the kilo costs 0.90 euros?
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