ArithmeticDino math mission
Open the Dino Museum
Name: Date:
Solve 10 problems to help Dino set up the museum show.
13 × 9 =
27 × 9 =
36 × 9 =
48 × 9 =
59 × 9 =
61 × 9 =
710 × 9 =
85 × 9 =
92 × 9 =
104 × 9 =
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Multiplication by 9 worksheets
The nine times table looks like the hardest and is secretly the most patterned in the grid. These free printable worksheets cover 9 × 1 through 9 × 10, and most children finish the first page faster than they expected.
- Answer key included
- Reopen this exact sheet
- Letter & A4 ready
Ready-to-print previewMultiplication by 9
Dino math mission
Answer key
1. 3 × 9 = 272. 7 × 9 = 633. 6 × 9 = 544. 8 × 9 = 725. 9 × 9 = 816. 1 × 9 = 97. 10 × 9 = 908. 5 × 9 = 459. 2 × 9 = 1810. 4 × 9 = 36
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About this worksheet
The strategy is one group short of ten. 9 × 7 is 10 × 7 = 70 minus one seven, which is 63. Since the ten times table is the easiest thing a child owns, every nine fact is a single subtraction away from being free, and this is the honest version of the tricks that usually get taught for this table.
The digits of every answer add to nine — 18, 27, 36, 45, 54, 63, 72, 81 — which gives a child something the other tables do not have: a way to check an answer without knowing the fact. If the digits do not sum to nine, the answer is wrong. That is a real mathematical property, not a memory aid, and it is the first time many children meet the idea that arithmetic can be verified rather than merely recalled.
The finger method works and is worth showing once, but it is a way to get the answer, not a way to understand the table — a child who only has fingers is stuck the moment the numbers grow. Lead with ten-minus-one and let the fingers be the backup. Print with the answer key, change the theme, or reopen the identical sheet from its picnic basket code.
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Open it in the Arithmetic maker to change the level, theme, question count, and paper size. Every sheet prints with an answer key and a picnic basket code that reopens the exact same questions later.