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110+89

Add 89 to a multiple of 10
for 4th grade

Add 89 to a number by adding 90 and then subtracting 1

Below is a table showing the first 8 question answer pairs for the topic "Add 89 to a multiple of 10" as used in the lessons for this topic. Our games and tests for the topic use these 8 items plus 20 additional question answer pairs.

The topic "Add 89 to a multiple of 10" is in the category Add + Subtract for 4th grade (ages 9 to 10).

1 / 8

Adding 89 to 20 by adding 90 and then subtracting 1 gives 109

20 + 89

109

2 / 8

Adding 89 to 50 by adding 90 and then subtracting 1 gives 139

50 + 89

139

3 / 8

Adding 89 to 90 by adding 90 and then subtracting 1 gives 179

90 + 89

179

4 / 8

Adding 89 to 140 by adding 90 and then subtracting 1 gives 229

140 + 89

229

5 / 8

Adding 89 to 290 by adding 90 and then subtracting 1 gives 379

290 + 89

379

6 / 8

Adding 89 to 370 by adding 90 and then subtracting 1 gives 459

370 + 89

459

7 / 8

Adding 89 to 620 by adding 90 and then subtracting 1 gives 709

620 + 89

709

8 / 8

Adding 89 to 890 by adding 90 and then subtracting 1 gives 979

890 + 89

979

Revise 'Add 89 to a multiple of 10' with one of our games for 4th grade

Game icon for math learning game UXO

Game icon for math learning game Duck shoot

Game icon for math learning game The frog flies

Game icon for math learning game Pong

Game icon for math learning game Cat and mouse

Game icon for math learning game The beetle and the bee

The beetle and the bee

Game icon for math learning game Rock fall

Game icon for math learning game Four in a row

Game icon for math learning game Sow grow

Game icon for math learning game Choose or lose

Game icon for math learning game Mix and match

Play any game
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Each of our math topics for elementary are made up of between 6 and 20 question and answer pairs (both the written form and a robot voice speaking those questions and answers). Each topic can be used with all the activities on the site.

Counting * Comparing numbers * Pattern * Place value * Addition * Subtraction * Add + Subtract * Multiplication * Division * Multiply + Divide * Fractions * Decimals * Percentages * Measurements * Shapes * Position + Direction * Statistics * Algebra *

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