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Adding and Subtracting Decimals
Why Do We Need Decimals? It helps makes things exact!
Why Do We Need Decimals? Money: One dollar and thirty two cents is the same thing as 1.32. Distance: Exactly how many miles is it from your house to school? (You couldnt say without decimals!)
Adding Decimals The problem: 36.78 + 47.90= ___?___
Adding Decimals is easy if you keep your work neat! Step 1: Line up the decimal points! Write zeros as place holders, if necessary. 36. 78 +47. 90
Step 2 Step 2: Add the hundredths. Regroup if necessary. 36.78 +47.90 8
Step 3 Step 3: Add the tenths. Regroup if necessary. 1 36.78 +47.90 68
Step 4 Step 4: Add the ones, then the tens. Place the decimal point! 11 36.78 +47.90 84. 68 37.78 + 47.9 = 84.68
Comparing and Ordering Decimals
Adding and Subtracting Decimals NS 1.0 Solve problems involving addition and subtraction of decimals.
What is a Decimal?. What is a decimal? A decimal is similar to a fraction in that it is not a whole number. It is a part of a number. We use decimals.
EXAMPLE 2 Subtracting Whole Numbers To find the difference of and, you line up the numbers on the ones’ place. Next you subtract the ones, then the tens,
Unit 2 Estimation and Computation. CFA: Unit 2 1. What digit is in the hundreds place? A. 5 B. 6 C. 3 D. 1.
Check your understanding What is 2.45 − 0.37? What is 4 – 3.78? What is ?
63.45 – Lesson 4-6 Example Example 3 Find – Write the numbers vertically. Line up the decimal points. Add a zero so that the.
Adding and Subtracting decimals! Mr. Vachon says, “If you can carry, borrow, and line up place values… I bet you can add and subtract decimals as fast.
Four tenths of five tenths?
At the end of this lesson you will be able to: Understand the value of a decimal by placing it on a number line. Understand the relationship a decimal.
Place Value YOUR SUBTITLE GOES HERE. Place Value The number in the chart above is read “fifty-one and three hundred forty-five thousandths.” Read the.
Writing Money Values and Units
Decimals: Add, Subtract, Multiply & Divide
Pharmacology I Math Review.
Subtraction Algorithm for Decimals Use the reverse cycle to work out = 4.92.
Decimals Place counts!.
Lesson 4 Mini-lesson: Adding and Subtracting Tenths and Hundredths.
+ 1 Whole Step 1: Add the fractions. Regroup, if needed. 1 1 Step 2: Add the whole numbers. Step 3: Use the GCF to simplify,
2 pt 3 pt 4 pt 5pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2pt 3 pt 4pt 5 pt 1pt 2pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4pt 5 pt 1pt Comparing decimals Adding decimals.
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