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FRACTIONS AND DECIMALS

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Presentation on theme: "FRACTIONS AND DECIMALS"— Presentation transcript:

1 FRACTIONS AND DECIMALS
Unit 5 FRACTIONS AND DECIMALS

2 KEY WORDS Fraction

3 Student outcome: I know what a fraction is
LESSON #1 Student outcome: I know what a fraction is A fraction is a number that stands for part of something. Usually a fraction represents one of the following: A number representing part of a set of items. A number representing part of a whole. Fraction Explaination Fraction Interactive

4 Student outcome: I can find patterns in equivalent fractions
LESSON #1 Student outcome: I can find patterns in equivalent fractions Equivalent Fractions: fractions that are “equal” Page 167 – Connect (students will use colored counters to create = fractions) What fraction can you find for green squares? How many equivalent fractions can you find for green squares? Answer: /12 Answer: /6, 2/4, 1/2

5 Student outcome: I can find patterns in equivalent fractions
LESSON #1 Student outcome: I can find patterns in equivalent fractions With counters how many equivalent fractions can you find for orange? 3/9

6 Student outcome: I can find patterns in equivalent fractions
LESSON #1 Student outcome: I can find patterns in equivalent fractions With counters how many equivalent fractions can you find for orange? 4/10

7 Student outcome: I can find patterns in equivalent fractions
LESSON #1 Student outcome: I can find patterns in equivalent fractions With counters how many equivalent fractions can you find for orange? 10/15

8 Student outcome: I can find patterns in equivalent fractions
LESSON #1 Student outcome: I can find patterns in equivalent fractions Equivalent Fractions: fractions that are “equal” How many equivalent fractions can you find for blue? Answer: /20, 1/4 Do you notice a pattern from the equivalent fractions?

9 Student outcome: I can find patterns in equivalent fractions
LESSON #1 Student outcome: I can find patterns in equivalent fractions Equivalent Fractions: fractions that are “equal” How many equivalent fractions can you find for blue? Answer: /16, 2,/4, 1/2 Do you notice a pattern from the equivalent fractions?

10 Student outcome: I can find patterns in equivalent fractions
LESSON #1 Student outcome: I can find patterns in equivalent fractions Using counters find equivalent fractions for: 12/ /16 5/20 Do you notice a pattern from the equivalent fractions?

11 Student outcome: I can find patterns in equivalent fractions
LESSON #1 Student outcome: I can find patterns in equivalent fractions What fraction does each diagram show for blue? What pattern do the fractions show?

12 Student outcome: I can find patterns in equivalent fractions
LESSON #1 Student outcome: I can find patterns in equivalent fractions What pattern do you see happening to the numerator and denominator?

13 Student outcome: I can find patterns in equivalent fractions
LESSON #1 Student outcome: I can find patterns in equivalent fractions Equivalent Fractions Interactive Equivalent Fractions Game Equivalent Fractions Video

14 Student outcome: I can find patterns in equivalent fractions
LESSON #1 Student outcome: I can find patterns in equivalent fractions Assignment Student Practice Book: Page 68-69 Textbook: Page 168 – 169 # 1, 5, 6a, 7a, 8a, 9

15 Student outcome: I can compare and order fractions
LESSON #2 Student outcome: I can compare and order fractions Strategy #1: use fraction strips to compare

16 Student outcome: I can compare and order fractions
LESSON #2 Student outcome: I can compare and order fractions Strategy #2: use fraction circles to compare

17 Student outcome: I can compare and order fractions
LESSON #2 Student outcome: I can compare and order fractions Strategy #3: use a number line to compare

18 Student outcome: I can compare and order fractions
LESSON #2 Student outcome: I can compare and order fractions Strategy #4: make equivalent fractions (same denominator) Comparing Fractions Game Compare

19 Student outcome: I can compare and order fractions
LESSON #2 Student outcome: I can compare and order fractions Using all 4 strategies to compare fractions try and solve which fraction is greater. 3/4 or 7/8 Fraction strips 2. Fraction circles 3. Number line 4. Same denominator

20 Student outcome: I can compare and order fractions
LESSON #2 Student outcome: I can compare and order fractions Strategy #4: make equivalent fractions (same denominator) Assignment Student Practice Book: Page 70-71 Textbook: Page 172 – 173 # 2, 3, 5, 7, 10, 12

21 LESSON #3 Student outcome: I can understand a problem and pick a strategy to solve it. Strategies Toolkit Connect (Page 174) Practice (Page 175) # 1, 2, 3

22 LESSON #4 Try to make the fraction have a denominator of 10 or 100
Student outcome: I can relate fraction to decimals with denominators of 10 and 100 Try to make the fraction have a denominator of 10 or 100 5/10 is 5 tenths or 0.5 9/100 is 9 hundredths or 0.09

23 LESSON #4 2/5 is equal to 4/10 or 40/100
Student outcome: I can relate fraction to decimals with denominators of 10 and 100 What happens when the denominator is not 10 or 100? Make an equivalent fraction that does have a denominator of 10 or 100 2/5 is equal to 4/10 or 40/100 2/4 is equal to 50/100 (any fraction with a denominator of 10) 3/4 is equal to 75/100

24 LESSON #4 Student outcome: I can relate fraction to decimals with denominators of 10 and 100 How do you change a decimal to an equivalent fraction? 0.45 = 0.8 = 0.67 = 0.10 =

25 LESSON #4 Student Practice Book Page 74 – 75
Student outcome: I can relate fraction to decimals with denominators of 10 and 100 Assignment Student Practice Book Page 74 – 75 Textbook Page 178 – 179 # 1, 5, 6, 7, 11

26 Student outcome: I can order and compare decimals to hundredths
LESSON #5 Student outcome: I can order and compare decimals to hundredths Lets find fractions that and their equivalent decimals using the chart below Fraction/Decimal Game

27 Student outcome: I can order and compare decimals to hundredths
LESSON #5 Student outcome: I can order and compare decimals to hundredths Lets divide the number line into equal parts (or create benchmarks) Halves Thirds Fourths Fifths

28 Student outcome: I can order and compare decimals to hundredths
LESSON #5 Student outcome: I can order and compare decimals to hundredths Explore Page 180 (work with students through explore section) Connect Page (discuss with students) Assignment Student Practice Book Page 74 – 75 Textbook Page 181 – 182 # 1, 3, 4, 6, 7,

29 Student outcome: I will understand thousandths
LESSON #6 Student outcome: I will understand thousandths

30 Student outcome: I will understand thousandths
LESSON #6 Student outcome: I will understand thousandths How would we say each decimal and write it as a fraction? Ex # Ex # Ex # Ex# Ex #

31 Student outcome: I will understand thousandths
LESSON #6 Student outcome: I will understand thousandths How would we say each fraction and write it as a decimal? Ex #1 123 1000 Ex #2 56 Ex #3 9 Ex#4 450 Ex #5 1209

32 Student outcome: I will be able to order and compare decimals
LESSON #7 Student outcome: I will be able to order and compare decimals Order numbers from least to greatest = (smallest to biggest) Order numbers from greatest to least = (biggest to smallest) Ex: 0.002, 0.89, 0.020, 0.704

33 Student outcome: I will be use decimals when I measure
LESSON #8 Student outcome: I will be use decimals when I measure Review What kind of comparisons can you make between metres (m) centimeters (cm) and millimeters (mm)? 1m = mm 1m = cm 1mm = m 1cm = m 1cm = mm 1mm = cm

34 Student outcome: I will be use decimals when I measure
LESSON #8 Student outcome: I will be use decimals when I measure Review Solve 50cm = mm 83m = cm 543mm= m 789cm = m 34.6mm = cm

35 Student outcome: I can relate decimals and fractions to division
LESSON #9 Student outcome: I can relate decimals and fractions to division We need to split 5 pizzas among your 3 friends. How do we do this? How much does each person get?

36 Student outcome: I can estimate sums and differences using decimals
LESSON #10 Student outcome: I can estimate sums and differences using decimals Things to remember: ALWAYS line up the decimals Empty place values can be filled in with a ZERO Example: Find the sum of 3.56 and 1.009

37 Student outcome: I can estimate sums and differences using decimals
LESSON #10 Student outcome: I can estimate sums and differences using decimals Things to remember: ALWAYS line up the decimals Empty place values can be filled in with a ZERO Example: Find the difference between and 1.3

38 Student outcome: I can add decimals
LESSON #11 Student outcome: I can add decimals Remember the 2 rules: Ex: Ex: 345.8 20.00 8.00 1.30 0.09 29.39


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