Addition

What is an important skill related to addition that involves estimating sums by rounding numbers to the nearest ten or hundred?

• Subtraction

• Multiplication

• Rounding

• Division

What type of numbers are involved in adding whole numbers?

• Numbers with fractions

• Numbers with decimals

• Numbers without fractions or decimals

• Negative numbers

What is addition?

• Subtracting numbers

• Multiplying numbers

• Combining numbers to find their total

• Dividing numbers

How does the commutative property of addition impact the order of numbers being added?

For example, 2 + 3 is the same as 3 + 2, both equaling ___