Addition practice problems - page 3 of 77
Number of problems found: 1537
- River current
In a river, a man takes 3 hours in rowing 3 km upstream or 15 km downstream. What is the speed of the current? - Days, hours, minutes
Add the following: 1 day 18 hr 45 m 55 sec, 13 hr 55 m 58 sec and 23 hr 49 m 45 sec - Sum of the fractions
Find the sum, express your answer to lowest terms. 1. 1/4 + 2/4= 2. 1/6 + 3/6= 3. 6/10 + 2/10= 4. ¾ + ⅛= 5. 5 3/5 + 2 ½= - 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? - Melting 3 cubes
The sides of the three metal cubes are 30 cm, 40 cm, and 50 cm, respectively. Find the side of the new cube formed by melting these cubes together. - Solve 27 Solve fraction problem: 9/27 + 3/54
- Consecutive odd numbers
Find three consecutive odd numbers whose sum is 93. - The speed 3 The speed of a boat in still water is 10 km/h. If the boat goes 37.5 km upstream in 5 h, find the speed of the stream.
- Four years
Four years ago the average age of A and B was 18 years . If the present average age of A, B, and C is 24 years. Find the age of C after 8 years . - The sum 46
The sum of the ages of 5 children born at the intervals of 3 years each is 50 years. What is the age of the youngest child? - Income comparing
Arnold's income is 60% more than that of Brandy. By what percent is Brandy's income less than Arnolds's? - Working day
Greg spends 1/4 of his workday in meetings and 1/12 of his workday answering phone calls. What is the total fraction of his workday that Greg spends in meetings or on phone calls? - Add five to lcm
The least number, which, when diminished by 5, is divisible by each of 21, 28, 36, and 45. - Line segments There are three line segments on the line: the length of MN = 3 1/2, the length of NO= 2 3/4, and the length of OP=1 2/3. Find the length of line segment MP. Write your answer as a mixed number.
- Ayden
Ayden is 140 cm tall, and his friend Alex is 1/5 taller than him. How tall is Alex? - Offset the mean
The mean of 16 numbers is 8. If 2 is added to every number, what will be the new mean? - Prawns and carbs
I buy 3 1/4 kg of prawns and 4 2/5 kg of carbs. 1 kg of prawns is RM 24 and 1 kg of carbs is RM 10. If I pay RM 50, what is my change? - Mean and sum
If the arithmetic mean of 6 numbers is 45, what is the total sum of these numbers? - Tricky result Classic adding with percentages: Evaluate 28% of 450 + 45% of 280
- A cake 2
Karen sliced a cake into 10 slices. She ate 2/10 of it and after some time she ate another 4/10 of it. How much of the cake did Karen eat?
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