fractions and decimals. jeremy and susan each ordered a pizza. jeremy ate half of his pizza and...
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Fractions and DecimalsFractions and Decimals
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
More than ½ or less than ½ ?
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!
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
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
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
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.
Complete practice 19.1Complete practice 19.1
End day 2
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.
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