Practice Problems — Set 18

4.NF.C.6 · Use decimal notation for fractions with denominators 10 or 100

Print and write your answers. Use diagrams to show thinking.

Warm-up

1. Talk through today's focus: Use decimal notation for fractions with denominators 10 or 100 2. Try one oral example together before writing. 3. Use the diagram to explain your thinking.

_See printable PDF for diagram._

Written practice

1. Shade 1/4 of the rectangle. Write the fraction: ___ 2. Which is larger: 1/4 or 2/4? ___ 3. On the number line, mark 1/3 4. Equivalent to 1/2? (A) 2/4 (B) 1/3 — write the letter: ___ 5. Word problem: ate 1/4 of a pizza. How much left? ___ 6. Compare: 2/6 ___ 3/6 7. Explain your thinking for set 18 in one sentence. 8. Create your own problem for 4.NF.C.6.

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More written practice

1. Apply Use decimal notation for fractions with denominators 10 or 100 (item 9, set 18): show your work. ___ 2. Apply Use decimal notation for fractions with denominators 10 or 100 (item 10, set 18): show your work. ___ 3. Apply Use decimal notation for fractions with denominators 10 or 100 (item 11, set 18): show your work. ___ 4. Apply Use decimal notation for fractions with denominators 10 or 100 (item 12, set 18): show your work. ___ 5. Apply Use decimal notation for fractions with denominators 10 or 100 (item 13, set 18): show your work. ___ 6. Apply Use decimal notation for fractions with denominators 10 or 100 (item 14, set 18): show your work. ___

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Patterns and rules

1. Denominator = equal parts; numerator = parts counted. 2. Same denominator means same-sized pieces. 3. Draw the model before adding numerators.

_See printable PDF for diagram._

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Stretch

1. Create your own 4.NF.C.6 question for a parent to solve. 2. Explain your method in two sentences.

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Parent tip: Fold paper or shade rectangles to show fractions