MU15L1D21 Decimal Fractions Unit 15, Lesson 1, Day 2.

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Presentation transcript:

MU15L1D21 Decimal Fractions Unit 15, Lesson 1, Day 2

MU15L1D2 2 DPP D Draw, divide and shade rectangles to help you answer these questions.

MU15L1D2 3 Math Vocabulary common fraction; fraction – any fraction that is written with a numerator and denominator that are whole numbers. For example, 3/4 and 9/4 are both common fractions. decimal fraction; decimal – A fraction written as a decimal. For example, 0.75 and 9.4 are decimal fractions and 75/100 and 4/10 are called common fractions.

MU15L1D2 4 Math Vocabulary hundredth – there are one hundred hundredths in a one tenth there are ten tenths in a one

MU15L1D2 5 Essential Question How are tenths and hundredths like tens and hundreds?

MU15L1D2 6 Part 2 Fraction Symbols We will use the chart on Student Guide Pg. 218 to help us answer the questions on that page.

MU15L1D2 7 Fraction Symbols Student Guide Pg. 218 Question 4 Skip count by tenths. As you count write the common fraction and decimal fraction for each tenth on our Tenths Helper charts. (DAB Pg. 235)

MU15L1D2 8 Fraction Symbols Double check your work by using a calculator. Your base-ten pieces are like money. A dollar can be broken into ten dimes or 100 pennies A flat can be broken into ten skinnies or 100 bits.

MU15L1D2 9 Fewest Pieces Rule Remember that when showing a number with base ten pieces we want to use the fewest pieces possible.

MU15L1D2 10 Fraction Practice Let’s go over the rules for Tenths,Tenths,Tenths on Student Guide Pg. 220.

MU15L1D2 11 Tenths Table DAB Pg. 236 The problems on this page have denominators of tenths. Use the Fewest Pieces Rule when writing decimal fractions.

MU15L1D2 12 Math Vocabulary Review common fraction; fraction – any fraction that is written with a numerator and denominator that are whole numbers. For example, 3/4 and 9/4 are both common fractions. decimal fraction; decimal – A fraction written as a decimal. For example, 0.75 and 9.4 are decimal fractions and 75/100 and 4/10 are called common fractions.

MU15L1D2 13 Math Vocabulary Review hundredth – there are one hundred hundredths in a one tenth there are ten tenths in a one

MU15L1D2 14 Essential Question Discussion How are tenths and hundredths like tens and hundreds?