Addition + natural numbers - practice problems
Number of problems found: 230
- Human population
The populations of two cities after t years can be modeled by -150t+50,000 and 50t+75,000 . What is the difference in the populations of the cities when t=4? - Megapolis
The population of a city consists of 641,682 male adults, 593,118 female adults and 182,345 children. Find the total population of the city? - Wholes add to a mixed
What is 5 wholes + 1 and 3/8? Give your answer as a whole number or as a mixed number in its simplest form. - School choir
A school choir performed in 40 total competitions and lost 8. Gabrielle was a soloist in 3/8 of the winning competitions and 1/4 of the losing competitions. What fraction of the competitions did the school choir win? In how many competitions did Gabrielle - Cupcakes
Keia and Hiro made a total of 27 cupcakes. Keia made 2 times as many cupcakes as Hiro. How many cupcakes did Hiro make? - Bus transportation
Your local varsity basketball team offers bus transportation for a playoff game. Each bus holds 56 people. A total of 328 people sign up. All buses are full except for the last bus. How many buses are used? Question 2: How many people are on the last bus? - Write 9
Write the numbers given in the place value table in decimal form. Hundreds Tens. Ones. Tenths. 6. 1. 5. 4 8. 3. 2. 5 7. 9. 0. 3 1. 0. 3. 1 4. 8. 0. 7 - Library 4
Library A has a total collection of 250 books. Library B has 100 more books than Library A, and Library C has twice as many books as the combined number of books in Library A and B. What is the total number of books in libraries A, B and C? - Evaluate 36
If a = 8 and b = 4, evaluate the following expression: 2 a − 3 b - Which 15
Which two digits need to be interchanged to make the following equation correct? 16+7*2+4-3=12 A) 2 and 4 B) 7 and 4 C) 16 and 2 D) 7 and 3 - Cardinals and robins
Lee saw c cardinals and 5 robins in his yard. Write the expression that shows the number of birds Lee saw in all. - Make a number
How can 8,2,5, and 6 make 24? - Evaluate 32
Evaluate the following expression: 18 * (1 + 9³) - 3 + (20/2) 18 times (1 + 9 to the 3rd power) minus 3 plus (20 divided by 2) - You have 3
You have the numbers 4,2, and 8. Use the numbers to make a calculation so that the answer is 40= - Heads and legs 2
There are a number of unspecified numbers of cows and hens in a den. If there are a total of 30 heads and 80 legs in the den, find the number of cows and hens in the den. - Evaluate expressions
Which expression equals 12? ... - Evaluate with brackets
Find the Error - tell what the mistake is 6[(4 + 9) - 32] ÷ 2 6[13-32]÷2 6[13-9]÷2 6[9]÷2 6[4.5] 27 - Two numbers 16
Two numbers are added together to give a sum of 1492. if one of the numbers is 821, what is the other number? - In 2014
In 2014, the average attendance per game for a football team was about (1 × 104) + (9 × 103) + (9 × 102). What is this number in standard form? - Fibonacci numbers
If the first three Fibonacci numbers are given as x1 = 1, x2 = 1, and x3 = 2, then what is the least value of n for which x(n) > 500?
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