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During this unit, students represent halves, fourths, eighths, thirds, sixths, twelfths, fifths, and tenths; find equivalent fractions; and compare fractions. Students are introduced to decimal notation, represent decimals, and compare decimals. They begin computation with fractions: adding and subtracting fractions and multiplying fractions by whole numbers.
Activities to Try at Home
Fraction and Decimal Scavenger Hunt At school, students are working on understanding fractions and decimals. Be on the lookout for examples of fractions or decimal numbers in your world—in the kitchen, in a toolbox or a sewing kit, in grocery or hardware stores, or in magazines and newspapers. Take these opportunities to talk with your child about what the fraction or decimal means.
Fair Shares You can build on the work of this unit at home by capitalizing on everyday situations that involve fractions. Issues of fairness often offer good examples of fractions.
After making a batch of brownies and giving away part of the batch to the neighbors, you want to divide what’s left equally among 3 people.
What is 1/3 of 18 brownies?
What if you want to divide it equally among 6 people?
What is 1/6 of 18 brownies?
Three people are sharing a pizza: 1/3 has mushrooms, 1/3 has pepperoni, and 1/3 has onions. What might the pizza look like?
Fractions in the Kitchen Cooking is another great way to learn about fractions. Ask your child questions such as, How can we measure 3 4 cup? Look together at how the fractions appear on a measuring cup. Doubling recipes or cutting them in half can help your child understand relationships such as 1/3 cup + 1/3 cup = 2/3 cup or 2 × 1/3 cup = 2/3 cup.
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