## Decimals
4/11/2016
Common Core State Standards:4.NF.6 Use decimal notation for fractions with denominators 10 or 100 (e.g. 62/100 as .62).4.NF.7 Compare two decimals to hundredths by reasoning about their size. Recognize that comparisons are valid only when the two decimals refer to the same whole.Essential Vocabulary: Decimal Fraction Unit fraction Equivalent Partition Reason Denominator Numerator Decomposing Unit Overview:In this unit, students will apply their understanding of fractions to help them understand decimal equivalence. Decimals are introduced for the first time in 4th grade. Students will make connections between fractions with the denominators of 10 and 100 within the place value chart. Students will use reading decimals aloud to help them understand the fractional equivalence as well. In addition, students will use their reasoning skills to compare decimals from the same whole. Strategies/Skills:Students will build on their understanding of fractions from 3rd grade to make sense of decimals when comparing their equivalency. They are expected to use a variety of models to support their reasoning about numbers. Fraction bars and circles Place value chart Number line Grid models Ruler/meter stick Video Support:Convert decimals to fractions to the tenths place using number linehttps://learnzillion.com/student/lessons/1424-convert-decimals-to-fractions-to-the-tenths-place-using-number-lines Convert decimals to fractions to the hundredths place using visual aidshttps://learnzillion.com/student/lessons/1425-convert-decimals-to-fractions-to-the-hundredths-place-using-visual-aids Convert fractions to decimals to the tenths place using visual aids and divisionhttps://learnzillion.com/student/lessons/1426-convert-fractions-to-decimals-to-the-tenths-place-using-visual-aids-and-division Convert fractions to decimals to the hundredths place using divisionhttps://learnzillion.com/student/lessons/1427-convert-fractions-to-decimals-to-the-hundredths-place-using-division Compare two decimals to the hundredths place using fraction modelshttps://learnzillion.com/student/lessons/3217-compare-two-decimals-to-the-hundredths-place-using-fraction-models Compare two decimal dollar amounts using coin valueshttps://learnzillion.com/student/lessons/3158-compare-two-decimal-dollar-amounts-using-coin-values Compare two decimals to the hundredths place using a number linehttps://learnzillion.com/student/lessons/3354-compare-two-decimals-to-the-hundredths-place-using-a-number-line Compare two decimal lengths using a rulerhttps://learnzillion.com/student/lessons/3385-compare-two-decimal-lengths-using-a-ruler Questions to Ask When Helping Your Child with Math HomeworkKeep in mind that homework in elementary schools is designed as practice. If your child is having problems, please let the classroom teacher know. When helping your child with his/her math homework, you don’t have to know all the answers! Instead, we encourage you to ask probing questions so your child can work through the challenges independently. What is the problem you’re working on? What do the directions say? What do you already know that can help you solve the problem? What have you done so far and where are you stuck? Where can we find help in your notes? Are there manipulatives, pictures, or models that would help? Can you explain what you did in class today? Did your teacher work examples that you could use? Can you go onto another problem & come back to this one later? Can you mark this problem so you can ask the teacher for an explanation tomorrow?
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## Mrs. Ana RhyneI teach 4th grade math and science at Weatherstone Elementary School. I graduated from Meredith College with a BA in Spanish and K-6 licensure. ## Archives
May 2016
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