Adding & Subtracting Decimals

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Presentation transcript:

Adding & Subtracting Decimals Grade 5 CONFIDENTIAL

PLACE VALUE CONFIDENTIAL

PLACE VALUE CONFIDENTIAL

PLACE VALUE CONFIDENTIAL

Let's try to say the following decimals: .6 .27 .456 .08 .019 .005 PLACE VALUE Let's try to say the following decimals: .6 .27 .456 .08 .019 .005 .5006 CONFIDENTIAL

PLACE VALUE CONFIDENTIAL

COMPARING AND ORDERING CONFIDENTIAL

COMPARING AND ORDERING CONFIDENTIAL

COMPARING AND ORDERING CONFIDENTIAL

COMPARING AND ORDERING CONFIDENTIAL

COMPARING AND ORDERING CONFIDENTIAL

symbols. COMPARING AND ORDERING Your turn! Order these decimals from least to greatest. Use the or symbols. 4.06 4.062 4.026 CONFIDENTIAL

ROUNDING AND ESTIMATING CONFIDENTIAL

ROUNDING AND ESTIMATING CONFIDENTIAL

ROUNDING AND ESTIMATING CONFIDENTIAL

ROUNDING AND ESTIMATING CONFIDENTIAL

ROUNDING AND ESTIMATING CONFIDENTIAL

ROUNDING AND ESTIMATING CONFIDENTIAL

ROUNDING AND ESTIMATING CONFIDENTIAL

Round 34.7823 to the nearest hundredth. ROUNDING AND ESTIMATING Your turn! Round 34.7823 to the nearest hundredth. CONFIDENTIAL

ROUNDING AND ESTIMATING CONFIDENTIAL

Estimate the sum of 4.23 + 5.89 + .75 = ROUNDING AND ESTIMATING CONFIDENTIAL

Time for a short break !!! CONFIDENTIAL

ADDING AND SUBTRACTING CONFIDENTIAL

ADDING AND SUBTRACTING CONFIDENTIAL

ADDING AND SUBTRACTING CONFIDENTIAL

Subtract 5.61 from 8.1 ADDING AND SUBTRACTING Subtraction is very similar to addition Subtract 5.61 from 8.1 First we line up decimal points. Add any needed zeros. Then we subtract the numbers as we would whole numbers. Can you do this for me? Finally, we bring our decimal point straight down into our answer. CONFIDENTIAL

Well, that's the end of our review! Let's see how well you remember. 1.) In the number 3,456,128.097 a.) Which number is in the hundreds place? b.) Which number is in the thousandths place? c.) Which number is in the millions place? d.) Which number is in the tenths place? e.) Which number is in the ones place? 2.) Circle the part of this decimal that is less than 1. 56.98 CONFIDENTIAL

4.) Write these numbers in order from least to greatest. 3.) Write the symbol for "greater than". 4.) Write these numbers in order from least to greatest. 4.001 4.011 4.1 4.101 5.) Round to the nearest tenths place. 56.478 CONFIDENTIAL

6.) Round to the nearest whole number. 569.78 7.) Estimate: 5.8 + 4.23 + 3.098 = 8.) Name a number between 17.04 and 17.03 CONFIDENTIAL

10.) Find the difference: 9.042 - 8.178 9.) Find the sum: 0.76 + 4.049 10.) Find the difference: 9.042 - 8.178 CONFIDENTIAL

You did a great job today!!!! Well Done! You are now ready to start the next Chapter. CONFIDENTIAL