Multiples of 9: A Quiz to Review the 9 Times Table

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Multiples of 9 game question showing the division ? ÷ 9 = 7 with two answer choices, 63 and 48, in colored boxes.

Multiples of 9: A Quiz to Review the 9 Times Table

About Multiples of 9

With this quiz on multiples of 9 you'll review the nine times table backwards, that is, through division. Each question shows an incomplete operation like ? ÷ 9 = 7 and you have to pick the missing number from several options. The answer is always one of the multiples of 9 (in this case, 63), so every right answer reinforces the 9 times table from another angle. If you want to keep practicing this number in other formats, check out our games for the 9 times table.

The first multiples of 9 are: 9, 18, 27, 36, 45, 54, 63, 72, 81 and 90. They have an almost magical property that no other times table shares, and it'll help you answer faster.

Video: Multiples of 9: A Quiz to Review the 9 Times Table

How to play Multiples of 9: A Quiz to Review the 9 Times Table: gameplay recorded on Ludorex.

How do you play Multiples of 9?

Read the division on the screen: the blank is the dividend.
Think backwards: the number you're looking for is 9 × the result.
Tap the box with the correct answer.
Move on to the next question and try to get them all right.

Multiples of 9 controls

PC

Mouse click: choose the answer

Mobile and tablet

Screen tap: select the correct option

What do you learn in Multiples of 9?

Memorize the 9 times table and recognize its results at a glance.
Understand division as the inverse operation of multiplication.
The divisibility rule for 9, which also works with big numbers.
Speed in mental math.

Recommended for ages 8 and up.

Tips for playing better: Multiples of 9

Add up the digits: in every multiple of 9, the digits add up to 9 or a multiple of 9. 6 + 3 = 9, so 63 works; 4 + 8 = 12, so 48 is ruled out without doing any math.
The tens trick: for 9 × 7, the tens digit is one less than 7 (a 6) and the units digit is what's needed to reach 9 (a 3): 63.
Look at the staircase: 09, 18, 27, 36… the tens go up by one while the units go down by one.
Multiply by 10 and subtract: 9 × 8 is the same as 80 − 8 = 72.

Multiples of 9 FAQ

What are the multiples of 9?

All the numbers you get by multiplying 9 by another whole number: 9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99, 108… The list is endless.

How can you tell if a number is a multiple of 9?

Add up its digits. If the result is 9, 18, 27 or any other multiple of 9, the number is too. For example, 738: 7 + 3 + 8 = 18, so 738 is a multiple of 9.