5.3K Adding and Subtracting Whole Numbers

5.3K Adding and Subtracting Whole Numbers

Today's Objective

5.3(K) Students will add and subtract positive rational numbers, whole numbers, decimals and fractions fluently.

5.3K Adding and Subtracting Whole Numbers Key Vocabulary Words

Addend- Any of the numbers that are added together.

Example: In 8 + 3 = 11, the 8 and the 3 are addends.

subtrahend- The number that is to be subtracted. The second number in a subtraction.

minuend − subtrahend = difference

Example: in 8 − 3 = 5, 3 is the subtrahend.

Whole number- Any of the numbers 0, 1, 2, 3, etc. Fractions and decimals are not whole numbers.

Sum- The result of adding two or more numbers.

Difference- The result of subtracting one number from another. How much one number differs from another.

Multiple Choice

Which answer represents the addends?

• 73

• 28

• 45

• 28 and 45

5.3K Adding and Subtracting Whole Numbers Fluently.

AnQuon's Window-Cleaning Company is replacing windows on three buildings. They replaced 247 windows on the first building, 358 windows on the second building. and they replaced 84 windows on the third building. How many windows did the Window-Clean Company replace altogether?

5.3 Adding and Subtracting Whole Numbers

Multiple Select

Teague, Tx had a population of 18,879 people living. Now, there are 68 more people living there. How many people live in Teague now?

• 18,811

• 18,947

5.3K Adding and Subtracting Whole Numbers Fluently

• Today we will learn how to subtract and regroup fluently.

• We will practice the operation of subtration using word problems

• We will look at key words and phrases that tells us to subtract.

• We will take a test/quiz in Savvas at the end of class. This has to be completed today! There will not be any extended dates!

Today's Objective

5.3(K) Students will add and subtract positive rational numbers, whole numbers, decimals and fractions fluently.

5.3K Adding and Subtracting Whole Numbers Fluently.

5.3K Adding and Subtracting Whole Numbers

Let's take a look at our key words and phrases for subtraction.

5.3K Adding and Subtracting Whole Numbers Fluently

Before the recent housing boom, there were 228 houses in Putnam County. Now, there are 7,279 houses. How many houses did developers build during the housing boom?