fractions and decimals. jeremy and susan each ordered a pizza. jeremy ate half of his pizza and...

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Fractions and Fractions and Decimals Decimals

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Page 1: Fractions and Decimals. Jeremy and Susan each ordered a pizza. Jeremy ate half of his pizza and Susan ate half of her pizza. Did they eat the same amount

Fractions and DecimalsFractions and Decimals

Page 2: Fractions and Decimals. Jeremy and Susan each ordered a pizza. Jeremy ate half of his pizza and Susan ate half of her pizza. Did they eat the same amount

Jeremy and Susan each ordered a Jeremy and Susan each ordered a pizza. Jeremy ate half of his pizza pizza. Jeremy ate half of his pizza and Susan ate half of her pizza. and Susan ate half of her pizza.

Did they eat the same amount of Did they eat the same amount of pizza? pizza? Explain.Explain.

Half of The Pizza

Page 3: Fractions and Decimals. Jeremy and Susan each ordered a pizza. Jeremy ate half of his pizza and Susan ate half of her pizza. Did they eat the same amount
Page 4: Fractions and Decimals. Jeremy and Susan each ordered a pizza. Jeremy ate half of his pizza and Susan ate half of her pizza. Did they eat the same amount

More than ½ or less than ½ ?

Page 5: Fractions and Decimals. Jeremy and Susan each ordered a pizza. Jeremy ate half of his pizza and Susan ate half of her pizza. Did they eat the same amount

A fraction is part of a whole. A fraction is part of a whole. Think of different ‘whole’ objects that Think of different ‘whole’ objects that

can be broken into can be broken into equal partsequal parts. Be . Be creative! creative!

Page 6: Fractions and Decimals. Jeremy and Susan each ordered a pizza. Jeremy ate half of his pizza and Susan ate half of her pizza. Did they eat the same amount

Sequence fractionsSequence fractions

Draw a picture of your object. Shade Draw a picture of your object. Shade or circle a fraction of your object. or circle a fraction of your object. Label a fraction.Label a fraction.

Sequence fractions at your table Sequence fractions at your table (more than ½ and less than ½)(more than ½ and less than ½)

Can you arrange your fractions in a Can you arrange your fractions in a more precise way?more precise way?

End day 1

Page 7: Fractions and Decimals. Jeremy and Susan each ordered a pizza. Jeremy ate half of his pizza and Susan ate half of her pizza. Did they eat the same amount

Place your fraction on the number Place your fraction on the number line. (more than ½ or less than ½)line. (more than ½ or less than ½)

Can we arrange the fractions in a Can we arrange the fractions in a more precise way?more precise way?

Sequence fractionsSequence fractions

Page 8: Fractions and Decimals. Jeremy and Susan each ordered a pizza. Jeremy ate half of his pizza and Susan ate half of her pizza. Did they eat the same amount

Use this fraction tool to sort Use this fraction tool to sort fractions. fractions.

http://illuminations.nctm.org/Activityhttp://illuminations.nctm.org/ActivityDetail.aspx?ID=80Detail.aspx?ID=80

Page 9: Fractions and Decimals. Jeremy and Susan each ordered a pizza. Jeremy ate half of his pizza and Susan ate half of her pizza. Did they eat the same amount

More than ½ or Less than ½? More than ½ or Less than ½? For each situation, decide whether the best For each situation, decide whether the best

estimate is more or less than one-half. Be estimate is more or less than one-half. Be prepared to explain your thinking.prepared to explain your thinking.

When pitching, Joe struck out 7 of 17 batters.

Sally made 8 baskets out of 11 free throws.

Bill made 5 field goals out of 9 attempts.

Maria couldn’t collect money at 4 of the 35 homes on her paper route.

Diane made 8 hits in 15 times at bat.

Page 10: Fractions and Decimals. Jeremy and Susan each ordered a pizza. Jeremy ate half of his pizza and Susan ate half of her pizza. Did they eat the same amount

Complete practice 19.1Complete practice 19.1

End day 2

Page 11: Fractions and Decimals. Jeremy and Susan each ordered a pizza. Jeremy ate half of his pizza and Susan ate half of her pizza. Did they eat the same amount

Building RectanglesBuilding Rectangles

Materials: color tiles, about 10 of Materials: color tiles, about 10 of each color (red, yellow, green, blue), each color (red, yellow, green, blue),

Create the following rectangle: ½ Create the following rectangle: ½ red, ¼ yellow and ¼ green. red, ¼ yellow and ¼ green.

Build at least one other rectangle Build at least one other rectangle that also works.that also works.

Page 12: Fractions and Decimals. Jeremy and Susan each ordered a pizza. Jeremy ate half of his pizza and Susan ate half of her pizza. Did they eat the same amount

Building rectanglesBuilding rectangles

Use the tiles to build each of the Use the tiles to build each of the rectangles below. Build and record rectangles below. Build and record each in at least two ways:each in at least two ways:

1/6 red, 1/6 green, 1/3 blue, 1/3 yellow1/6 red, 1/6 green, 1/3 blue, 1/3 yellow

1/3 green, 2/3 blue1/3 green, 2/3 blue

Page 13: Fractions and Decimals. Jeremy and Susan each ordered a pizza. Jeremy ate half of his pizza and Susan ate half of her pizza. Did they eat the same amount