How it works
Each 12 multiplication worksheet is made on the spot; Make a new sheet gives another. You begin with 40 lines, 12 × 1 to 12 × 12 shuffled. Sheet type adds the 10 and 2 split, dozens and division by 12.
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12 is 10 and 2, and that is the whole trick
Multiply by 10, multiply by 2, add: 12 × 7 is 70 + 14, which makes 84. The distributive law is why it works, and England's curriculum brings it in during Year 4, the year pupils finish the tables to 12 × 12. Classes strong on the 6s can double instead: 6 × 7 = 42, so 12 × 7 = 84.
Multiplication worksheets: 12 times tables in dozens, feet and years
A dozen is 12, a foot is 12 inches and a year is 12 months. Dozens of eggs: 7 dozen = __ eggs, Feet and inches: 5 feet = __ inches and Years and months: 3 years = __ months practice one set of facts in three settings. 12 dozen make 144, known as a gross.
- Six answers on a 12 × 12 chart can only come from a 12: 84, 96, 108, 120, 132 and 144.
- 12s answers end in 2, 4, 6, 8, 0, in that order. Pupils scan the ones column before handing in.
- On Years and months, start with pupils' own ages: a 9-year-old has lived 108 months.
Questions and answers
Which 12s multiplication worksheet should come first?
Split 12 into 10 and 2: 7 × 12 is 70 + 14, because it needs only the 10s and 2s. Follow it with Fill the gap: 7 × (10 + __) = 70 + 14, then 12 times table shuffled. Keep One-minute drill on the 12s for Friday.
What is the rule for multiples of 12?
A multiple of 12 is a multiple of both 3 and 4. Add the digits to test for 3, and read the last two digits to test for 4. 324 passes: 3 + 2 + 4 = 9, and 24 is 4 × 6. 126 fails on 26.
Do schools have to teach the 12 times table?
England expects all tables up to 12 × 12 by the end of Year 4. The Common Core stops at 9 × 9, so in the United States the 12s go beyond the standard. A 12's multiplication worksheet earns its place through feet, dozens and months.