Division practice

Missing-number division

Recover the missing value in a division equation by identifying its role and using the inverse multiplication relationship.

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Name the role of the missing value before calculating. Use divisor × quotient = dividend, then substitute your answer into the original equation.

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Learning objective

What this activity builds

Distinguish missing dividends from missing divisors and solve a division equation with one unknown.

Worked example

Find N in N ÷ 6 = 7.

N = 42.

The missing value is the dividend. Multiply the known divisor and quotient: 6 × 7 = 42. Substitution gives 42 ÷ 6 = 7.

Teaching notes

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  • Read the completed equation aloud after solving it.
  • Contrast the meaning of N ÷ 6 = 7 with 42 ÷ N = 7 before choosing an operation.

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Math SheetNameScore/ 30TeacherDateMissing Number DivisionUse multiplication and division to find the unique missing dividend or divisor.1.N ÷ 16 = 142.N ÷ 14 = 343.N ÷ 32 = 134.480 ÷ N = 305.N ÷ 13 = 206.N ÷ 15 = 287.228 ÷ N = 198.884 ÷ N = 269.N ÷ 33 = 3710.N ÷ 39 = 3911.N ÷ 23 = 3212.N ÷ 39 = 3413.880 ÷ N = 4014.N ÷ 11 = 3115.837 ÷ N = 3116.N ÷ 13 = 3517.540 ÷ N = 2718.490 ÷ N = 3519.380 ÷ N = 1920.525 ÷ N = 2121.N ÷ 36 = 1322.667 ÷ N = 2923.140 ÷ N = 1424.756 ÷ N = 2125.529 ÷ N = 2326.N ÷ 28 = 3727.585 ÷ N = 1528.N ÷ 11 = 2429.400 ÷ N = 2530.N ÷ 12 = 15math-sheet.comPage 1 / 1

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