Rational numbers + addition - practice problems - page 2 of 5
Number of problems found: 99
- Three rationals
Let x, y, and z represent three rational numbers, such that y is 512 times x and z is 50.25 more than x. If y=15.5, what is the value of z? - The sum 29 The sum of the two numbers is 35.407. If one number is 21.7043, find the other number.
- The AP pattern
The number pattern below starts with 26.407. Subtract 0.325 from the previous term to find the next term. - Sum of 25
The Sum of two rational numbers is -2/3. If one of the numbers is 4/5, find the other. - Han needs
Han needs 1 m of ribbon. He has 0.7 m of the length required. How much more ribbon does he need? - Number sum comparison
How many times is the number 0.045 greater than the sum of 0.006 and 0.003? - Difference of a half
Calculate three times the half difference of 7.5 and 2.1, - Expression 8
Evaluate this expressions: a) 5[3 + 4(2.8 - 3)] b) 5×(8-4)÷4-2 - Number difference
Calculate the difference between the sum of the numbers 1.04 and 0.56 and the product of the numbers opposite to them. - Evaluate
The division of numbers 6 and 3 increases as a by-product of the numbers 115 and 0.1. - Number sum
What is 2/3 of the sum of numbers (0.10) and (-5.3)? - Simplify 9
Simplify and express the result as a rational number in its simplest form: 1/2+ 1/5+ 6.25+0.25 - Temperature rise fall
In the morning, the thermometer showed -7 °C. The temperature rose by 4 °C, then rose again by 9 °C, fell by 2 °C, rose by 3 °C, fell by 6 °C, and finally fell again by 5 °C. What is the final temperature? - Adding mixed 3
Why does 1 3/4 + 2 9/10 equal 4.65? How do you solve this? - Fruits 2
An apple costs 7p, and a melon costs seven times more. How much will six apples and two melons cost? - Wire
From wire 141 meters long, they cut 55.1 meters and then 30.6 meters. How many meters of wire are left? - Alice 2
Alice swims 2.5 hours every Saturday and 3.5 hours every Sunday. How many hours does she swim over 4 weeks? - Finding Second Summand
Calculate the second summand if you know that one summand is 28.6, and the result of the sum is -100. - Peter debt increase
Peter's debt was 2.10 euros and increased by 1.20 euros. How much is his debt now? - Trevor 2
Trevor bought 74.8 ounces of cat food and 52.5 ounces of dog food. How much pet food did he buy in all?
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