What is a quick way to multiply by 9 using fingers?

Hold down the finger corresponding to the number being multiplied by 9. The fingers to the left of the bent finger represent tens, and the fingers to the right represent units.

What pattern do you notice in the results of multiplying 9 by whole numbers?

The tens digit increases by 1 for each increase in the multiplier, while the units digit decreases by 1.

How can you verify the result of 9 x 7 = 63 using addition?

You can add 9 seven times: 9 + 9 + 9 + 9 + 9 + 9 + 9 = 63.

Multiplication Facts: 9's Flashcards

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15 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is the result of 9 multiplied by 1?

Back

9

Tags

CCSS.3.OA.B.5

2.

FLASHCARD QUESTION

Front

What is the result of 9 multiplied by 2?

Back

18

Tags

CCSS.3.OA.C.7

3.

FLASHCARD QUESTION

Front

What is the result of 9 multiplied by 3?

Back

27

Tags

CCSS.3.OA.C.7

4.

FLASHCARD QUESTION

Front

What is the result of 9 multiplied by 4?

Back

36

Tags

CCSS.3.OA.C.7

5.

FLASHCARD QUESTION

Front

What is the result of 9 multiplied by 5?

Back

45

Tags

CCSS.3.OA.C.7

6.

FLASHCARD QUESTION

Front

What is the result of 9 multiplied by 6?

Back

54

Tags

CCSS.3.OA.C.7

7.

FLASHCARD QUESTION

Front

What is the result of 9 multiplied by 7?

Back

63

Tags

CCSS.3.OA.C.7

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