Add and Subtract whole numbers

Front

Estimating is to....

Back

find something close to the correct answer

Front

75 + 124 = ?

Back

199

Front

237,274 - 142,384 = ?

Back

94890

Front

148 + 387 = ?

Back

535

Front

The bakery has 381 chocolate cupcakes and 346 vanilla cupcakes. How many more chocolate cupcakes are at the bakery?

Back

35 cupcakes

Front

What is addition?

Back

The process of finding the total or sum by combining two or more numbers.

Front

What is subtraction?

Back

The process of finding the difference between two numbers by removing one from the other.

Front

What does it mean to estimate a sum?

Back

To find an approximate total by rounding the numbers before adding.

Front

What is the difference between exact and estimated answers?

Back

Exact answers are precise, while estimated answers are close approximations.

Front

What is a whole number?

Back

A number without fractions; it can be zero or any positive number.