RSS Mini Conference 2013-2014 Candyce Tracy. Do All Fractions Fit on a Number Line?. Outcomes. Learn something NEW…….. preferably about fractions. Leave curious about what the new standards expect in terms of fractions instruction. Is ½ always equivalent to ½?.
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Do All Fractions Fit on a Number Line?
Talk with your partner about this question?
How can I cut the brownie so that two people can have equal shares?
Please fold into the following equal pieces
Label each piece with the fraction name
Cut apart each equal piece
Order these unit fractions from smallest to largest with the smallest over to the left and the largest over to the right.
How does this task build understanding of fractions?
How can you apply this understanding to a number line?
For each fraction pair find 3 fractions using at least 2 different strategies
⅛ and ¼
¼ and ⅓
Aunt Sally has a jar that holds one cup of liquid. Her salad dressing recipe calls for 2/3 cup of oil, 1/8 cup of vinegar, and 1/4 cup of juice.
Is the jar large enough to hold all the oil, vinegar, and juice?
Give a rough estimate of the values represented by points A and B on the number lines below.
By comparing fractions, students come to understand them as something more—numbers that have magnitude.
Density – between any two rational numbers we can find a third rational number. This property leads to the fact that between any two rational numbers, no matter how close, there are infinitely many other rational numbers.
Rational numbers allow us to gain as much precision as we desire.
Reflection of Session
Please use an index card