Question
Find 39 + 28 + 17.
- 84
- 83
- 82
- 81
Hint:
Adding the numbers
The correct answer is: 84
Add the tens = 30 + 20 + 10 = 60
Add the ones = 9 + 8 + 7 = 24
Add the partial sums = 60 + 24 = 84
So, 39 + 28 + 17 = 84
Related Questions to study
Find the sum of 32 + 27 + 13 + 8.
Find the sum of 32 + 27 + 13 + 8.
Add 47 and 37.
Add 47 and 37.
Add the numbers 12, 4, 6, and 18.
Add the numbers 12, 4, 6, and 18.
Use any strategy to solve 19 + 24 + 11.
Use any strategy to solve 19 + 24 + 11.
Solve 28 + 15 + 22. Use any order to add the numbers.
Solve 28 + 15 + 22. Use any order to add the numbers.
Use any strategy to solve 21 + 5 + 18.
Use any strategy to solve 21 + 5 + 18.
Solve 3 + 14 + 27 + 36. Use any order to add the numbers.
Solve 3 + 14 + 27 + 36. Use any order to add the numbers.
Write an equation “Donna has a collection of 22 pencils in which 7 are blue color, 13 are red color, and 2 are green color”.
Write an equation “Donna has a collection of 22 pencils in which 7 are blue color, 13 are red color, and 2 are green color”.
Identify the compatible numbers from the following: 21, 5, 32, 19, 16.
Identify the compatible numbers from the following: 21, 5, 32, 19, 16.
Identify the compatible numbers from the following: 13, 11, 16, 18, 17.
Identify the compatible numbers from the following: 13, 11, 16, 18, 17.
One number makes both the equations true. Find the missing number.
⎕ + 37 = 48
48 + ⎕ = 59
For adding two terms, both terms should belong to same quantity
One number makes both the equations true. Find the missing number.
⎕ + 37 = 48
48 + ⎕ = 59
For adding two terms, both terms should belong to same quantity
Find the numbers in place A, B, and C.
For adding two terms, both terms should belong to the same unit.
Find the numbers in place A, B, and C.
For adding two terms, both terms should belong to the same unit.
A new office and house were built in a town. 24 windows are needed for the office. 18 windows are needed for the house. How many windows are needed in all?
For the addition of two terms, both terms should belong to the same quantity.
A new office and house were built in a town. 24 windows are needed for the office. 18 windows are needed for the house. How many windows are needed in all?
For the addition of two terms, both terms should belong to the same quantity.
Joe has 25 apples. He buys 16 more apples. How many apples does Joe have now?
For Addition to two terms, they should belong to the same unit.
Joe has 25 apples. He buys 16 more apples. How many apples does Joe have now?
For Addition to two terms, they should belong to the same unit.
There are 38 blue fish in the pond. There are also 29 golden fish in the pond? How many fish are in the pond?
For Adding two terms, we have to check they belongs to same units or not.
There are 38 blue fish in the pond. There are also 29 golden fish in the pond? How many fish are in the pond?
For Adding two terms, we have to check they belongs to same units or not.