adding and subtracting decimals grade 5.pptx

decimals

1. Good Morning!

2. Let’s Recall

3. DECIMALS

4. Vocabulary DECIMALS – a rational number that is a combination of a whole number and a part of a whole. WHOLE NUMBERS – numbers suchas 0, 1, 2, 3, 4 , 5, 6, 7 …, DECIMAL POINT – separates the whole number and the part of the whole .

5. Whole Numbers Decimal Tens Ones Decimal Point Tenths Hundredths Thousandths Ten Thousandths 2 3 . 1 5 6

6. Here are the values of each digit in the number 23.01564978 2 = 20 3 = 3 0 = 0 1 = 0.01 = 1/100 5 = 0.005 = 5/1 000 6 = 0.0006 = 6/10 000 4 = 0.00004 = 4/100 000

7. Decimals and Fractions

8. Steps to Convert Fraction to Decimals Rename the fraction as an equivalent fraction with 10, 100, 1000, 10000 as the denominator.   =   x 2 x 2

9. Steps to Convert Fraction to Decimals Rename the fraction as an equivalent fraction with 10, 100, 1000, 10000 as the denominator.   =   x 4 x 4

10. Steps to Convert Fraction to Decimals Divide the numerator and the denominator. You can add decimal point and zeros.   =  

11. Steps to Convert Fraction to Decimals Divide the numerator and the denominator. You can add decimal point and zeros.   =  

12. A terminating decimal has an exact number of decimal places. A nonterminating decimal does not have an exact number of decimal places. A repeating decimal is a nonterminating decimal that has repeating digits or digits called repeated block.

13. Answer page166 Work Together

14. All for Thee, my Jesus All for Thee, Amen.