Understand Fractions as Unit Fraction Multiples - 4th Grade Math

  1. What is 78\frac{7}{8} written as a multiple of a unit fraction?
    7×187\times\frac{1}{8}. The numerator 7 tells us to multiply 18\frac{1}{8} by 7.
  2. What is 36\frac{3}{6} written as a multiple of a unit fraction?
    3×163\times\frac{1}{6}. The numerator 3 tells us to multiply 16\frac{1}{6} by 3.
  3. Find the product: 6×156\times\frac{1}{5}.
    65\frac{6}{5}. Multiplying gives numerator 6 over denominator 5.
  4. What is the missing number in 89=□×19\frac{8}{9}=\square\times\frac{1}{9}?
    88. The numerator equals the multiplier.
  5. What does the denominator bb tell you in the unit fraction 1b\frac{1}{b}?
    The whole is split into bb equal parts. The denominator shows how many equal pieces make one whole.
  6. What fraction equals 12×(19)12 \times \left(\frac{1}{9}\right)?
    129\frac{12}{9}. Multiplying 12 copies of 19\frac{1}{9} gives numerator 12 and denominator 9.
  7. What is the missing denominator in 5□=5×18\frac{5}{\square}=5\times\frac{1}{8}?
    88. The denominator matches the unit fraction's denominator.
  8. What is 54\frac{5}{4} written as a product of a whole number and a unit fraction?
    54=5×14\frac{5}{4}=5\times\frac{1}{4}. The numerator 5 multiplied by the unit fraction 14\frac{1}{4}
  9. What fraction equals 3×(14)3 \times \left(\frac{1}{4}\right)?
    34\frac{3}{4}. Multiplying 3 copies of 14\frac{1}{4} gives numerator 3 and denominator 4.
  10. What is 92\frac{9}{2} written as a multiple of 12\frac{1}{2}?
    92=9×12\frac{9}{2}=9\times\frac{1}{2}. Nine halves means 9 groups of 12\frac{1}{2}.
  11. Identify the missing number: 85=□×(15)\frac{8}{5} = \square \times \left(\frac{1}{5}\right).
    88. The numerator of the fraction tells how many unit fractions to multiply.
  12. What fraction equals 8×(12)8 \times \left(\frac{1}{2}\right)?
    82\frac{8}{2}. Multiplying 8 copies of 12\frac{1}{2} gives numerator 8 and denominator 2.
  13. What does the numerator aa mean in ab=a×(1b)\frac{a}{b} = a \times \left(\frac{1}{b}\right)?
    aa copies of 1b\frac{1}{b}. The numerator tells how many unit fractions to multiply together.
  14. What is the denominator in ab\frac{a}{b} if ab=a×1b\frac{a}{b}=a \times \frac{1}{b}?
    bb. The denominator stays the same in both forms.
  15. What equation rewrites 47\frac{4}{7} as a multiple of a unit fraction?
    47=4×(17)\frac{4}{7} = 4 \times \left(\frac{1}{7}\right). Shows that 47\frac{4}{7} equals 4 copies of the unit fraction 17\frac{1}{7}.
  16. What is 910\frac{9}{10} written as a multiple of a unit fraction?
    9×1109\times\frac{1}{10}. The numerator 9 tells us to multiply 110\frac{1}{10} by 9.
  17. What multiplication expression writes 29\frac{2}{9} as a multiple of a unit fraction?
    2×(19)2 \times \left(\frac{1}{9}\right). The numerator 2 shows how many copies of 19\frac{1}{9} are needed.
  18. What is the unit fraction in the expression ab=a×(1b)\frac{a}{b} = a \times \left(\frac{1}{b}\right)?
    1b\frac{1}{b}. The unit fraction has numerator 1 and the same denominator as the original fraction.
  19. Identify the missing number: 712=7×(1□)\frac{7}{12} = 7 \times \left(\frac{1}{\square}\right).
    1212. The denominator of the unit fraction matches the original denominator.
  20. What is the unit fraction in the fraction ab\frac{a}{b}?
    1b\frac{1}{b}. The unit fraction has numerator 1 and the same denominator.
  21. What is 78\frac{7}{8} written as a multiple of 18\frac{1}{8}?
    78=7×18\frac{7}{8}=7\times\frac{1}{8}. The numerator 7 tells us how many eighths we have.
  22. What is the missing denominator in 5×1___=5135\times\frac{1}{\_\_\_}=\frac{5}{13}?
    1313. The denominator matches the fraction's denominator.
  23. What equation records the conclusion when a model shows 55 groups of 14\frac{1}{4}?
    54=5×14\frac{5}{4}=5\times\frac{1}{4}. This equation shows 5 groups of 14\frac{1}{4}.
  24. What equation rewrites 910\frac{9}{10} as a multiple of a unit fraction?
    910=9×(110)\frac{9}{10} = 9 \times \left(\frac{1}{10}\right). Shows that 910\frac{9}{10} equals 9 copies of the unit fraction 110\frac{1}{10}.
  25. What does it mean to write ab\frac{a}{b} as a multiple of a unit fraction?
    ab=a×1b\frac{a}{b}=a\times\frac{1}{b}. Express the fraction as the numerator times the unit fraction.
  26. Find and correct the error: 59=5×(15)\frac{5}{9} = 5 \times \left(\frac{1}{5}\right).
    59=5×(19)\frac{5}{9} = 5 \times \left(\frac{1}{9}\right). The unit fraction must have denominator 9 to match the original fraction.
  27. What is 23\frac{2}{3} written as a sum of unit fractions with the same denominator?
    13+13\frac{1}{3}+\frac{1}{3}. Two copies of 13\frac{1}{3} equal 23\frac{2}{3}.
  28. Which unit fraction is being multiplied in 136=13×(16)\frac{13}{6} = 13 \times \left(\frac{1}{6}\right)?
    16\frac{1}{6}. The unit fraction has the same denominator as the original fraction.
  29. What is 47\frac{4}{7} written as repeated addition of 17\frac{1}{7}?
    17+17+17+17\frac{1}{7}+\frac{1}{7}+\frac{1}{7}+\frac{1}{7}. Four sevenths equals adding one seventh four times.
  30. What is the missing unit fraction in 11×___=111511\times\_\_\_ =\frac{11}{15}?
    115\frac{1}{15}. Eleven fifteenths needs the unit fraction 115\frac{1}{15}.
  31. Which equation correctly rewrites 49\frac{4}{9} using a unit fraction?
    49=4×19\frac{4}{9}=4\times\frac{1}{9}. Four ninths equals 4 groups of one ninth.
  32. Which equation correctly rewrites frac67frac{6}{7} using a unit fraction?
    67=6×17\frac{6}{7}=6\times\frac{1}{7}. Six sevenths equals 6 groups of one seventh.
  33. Find the product: 12×1812\times\frac{1}{8}.
    128\frac{12}{8}. Multiplying gives numerator 12 over denominator 8.
  34. Find and correct the error: frac54=5×15frac{5}{4}=5\times\frac{1}{5}.
    Correct: 54=5×14\frac{5}{4}=5\times\frac{1}{4}. The unit fraction must match the original denominator 4.
  35. What is 56\frac{5}{6} written as a sum of unit fractions with the same denominator?
    16+16+16+16+16\frac{1}{6}+\frac{1}{6}+\frac{1}{6}+\frac{1}{6}+\frac{1}{6}. Five copies of 16\frac{1}{6} equal 56\frac{5}{6}.
  36. What is the value of 5×145\times\frac{1}{4} written as a single fraction?
    54\frac{5}{4}. Multiply: 5×14=545 \times \frac{1}{4} = \frac{5}{4}.
  37. What equation rewrites 118\frac{11}{8} as a multiple of a unit fraction?
    118=11×(18)\frac{11}{8} = 11 \times \left(\frac{1}{8}\right). Shows that 118\frac{11}{8} equals 11 copies of the unit fraction 18\frac{1}{8}.
  38. Find and correct the error: 67=7×(16)\frac{6}{7} = 7 \times \left(\frac{1}{6}\right).
    67=6×(17)\frac{6}{7} = 6 \times \left(\frac{1}{7}\right). The numerator and denominator were swapped in the incorrect equation.
  39. Which expression equals 125\frac{12}{5}: 12×1512\times\frac{1}{5} or 5×1125\times\frac{1}{12}?
    12×1512\times\frac{1}{5}. Check: 12×15=12512 \times \frac{1}{5} = \frac{12}{5} ✓.
  40. What is 16\frac{1}{6} written as a multiple of 16\frac{1}{6}?
    16=1×16\frac{1}{6}=1\times\frac{1}{6}. One sixth is already a unit fraction, so multiply by 1.
  41. What is 23\frac{2}{3} written as repeated addition of 13\frac{1}{3}?
    13+13\frac{1}{3}+\frac{1}{3}. Two thirds equals adding one third twice.
  42. What does 4×(16)4 \times \left(\frac{1}{6}\right) mean in words?
    Four copies of 16\frac{1}{6}. Multiplication means taking 4 equal parts, each worth 16\frac{1}{6}.
  43. What is 310\frac{3}{10} written as a multiple of 110\frac{1}{10}?
    310=3×110\frac{3}{10}=3\times\frac{1}{10}. Three tenths equals 3 groups of one tenth.
  44. Identify the unit fraction being multiplied in 134=13×14\frac{13}{4}=13\times\frac{1}{4}.
    14\frac{1}{4}. The unit fraction has the same denominator as the original.
  45. What equation rewrites 73\frac{7}{3} as a multiple of a unit fraction?
    73=7×(13)\frac{7}{3} = 7 \times \left(\frac{1}{3}\right). Shows that 73\frac{7}{3} equals 7 copies of the unit fraction 13\frac{1}{3}.
  46. What fraction equals 11×11211\times\frac{1}{12}?
    1112\frac{11}{12}. Multiplying gives 1112\frac{11}{12}.
  47. What fraction equals 4×174\times\frac{1}{7}?
    47\frac{4}{7}. Multiplying gives 47\frac{4}{7}.
  48. What does the numerator aa represent in ab=a×1b\frac{a}{b}=a\times\frac{1}{b}?
    The number of groups of 1b\frac{1}{b}. It counts how many unit fractions we need.
  49. What is the unit fraction in the fraction ab\frac{a}{b}?
    1b\frac{1}{b}. The unit fraction has numerator 1 and the same denominator.
  50. What is the missing numerator in □6=9×16\frac{\square}{6}=9\times\frac{1}{6}?
    99. The numerator equals the multiplier.
  51. Find and correct the error: 68=8×16\frac{6}{8}=8\times\frac{1}{6}.
    Correct: 68=6×18\frac{6}{8}=6\times\frac{1}{8}. The numerator tells how many unit fractions.
  52. What fraction equals 6×156\times\frac{1}{5}?
    65\frac{6}{5}. Multiplying gives 65\frac{6}{5}.
  53. What multiplication expression writes 103\frac{10}{3} as a multiple of a unit fraction?
    10×(13)10 \times \left(\frac{1}{3}\right). The numerator 10 shows how many copies of 13\frac{1}{3} are needed.
  54. What is the numerator in ab\frac{a}{b} if ab=a×1b\frac{a}{b}=a \times \frac{1}{b}?
    aa. The numerator tells how many unit fractions we need.
  55. What fraction equals 6×(15)6 \times \left(\frac{1}{5}\right)?
    65\frac{6}{5}. Multiplying 6 copies of 15\frac{1}{5} gives numerator 6 and denominator 5.
  56. Identify the correct rewrite of 1010\frac{10}{10} as a multiple of a unit fraction.
    1010=10×110\frac{10}{10}=10\times\frac{1}{10}. Ten tenths equals 10 groups of one tenth.
  57. What does it mean to write ab\frac{a}{b} as a multiple of a unit fraction?
    ab=a×1b\frac{a}{b}=a\times\frac{1}{b}. The numerator tells how many unit fractions to multiply.
  58. What equation rewrites 54\frac{5}{4} as a multiple of a unit fraction?
    54=5×(14)\frac{5}{4} = 5 \times \left(\frac{1}{4}\right). Shows that 54\frac{5}{4} equals 5 copies of the unit fraction 14\frac{1}{4}.
  59. What is the missing number in _ _ _ \times \frac{1}{12} = \frac{8}{12}?
    88. The numerator 8 tells how many twelfths we need.

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