Addition

Front

What does it mean to estimate in math?

Back

To estimate means to find a number that is close to the actual answer, often by rounding.

Front

What should you do if you see the word 'about' in a math problem?

Back

You should round the numbers to make the problem easier to solve.

Front

Estimate the sum: 496 + 301 = ?

Back

800

Front

What is the sum of 2,379 + 4,731?

Back

7,110

Front

What is the sum of 643 + 376?

Back

1,019

Front

What is 49 + 37?

Back

86

Front

What is the first step in adding two numbers?

Back

Line up the numbers by their place values.

Front

What is a place value?

Back

A place value is the value of a digit based on its position in a number.

Front

What is the sum of 10 + 5?

Back

15

Front

What is the sum of 20 + 30?

Back

50