Find the numbers in place A, B, and C.

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.

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.

Jose has 17 more berries than Jill. Jill has 18 berries How many berries does Jose have?

Martin collected 36 leaves on Thursday. On Friday, he collected 55 leaves. How many leaves did Martin collect in all?

Find the sum of 18 and 52 using mental math.

Find the missing number.

Find the second addend of 59 to make a 10.

One number makes both the equations true. Find the missing number.
14 + ⎕ = 26
⎕ + 26 = 38

Find the numbers in place of A, B and C.

Billy puts 32 skateboard wheels in a pile. He puts 28 more wheels in another pile. How many wheels does Billy have in all?

Carmen planted 21 trees. Patrick plants 19 trees. How many trees did they plant in all?

Team A has 6 points more than Team B. Team B has 28 points. How many points does team A have?

Mika has 43 buttons. Sara has 29 buttons. How many buttons do they have in all?

Jamie has 24 cans to recycle. Lisa has 27 cans. How many cans do they have in all?

We can add two things only if they belongs to same unit.