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270+99

Add 99 to a multiple of 10
for 4th grade

Add 99 to a number by adding 100 and then subtracting 1

Below is a table showing the first 8 question answer pairs for the topic "Add 99 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 99 to a multiple of 10" is in the category Add + Subtract for 4th grade (ages 9 to 10).

1 / 8
Adding 99 to 20 by adding 100 and then subtracting 1 gives 119
20 + 99
119
2 / 8
Adding 99 to 40 by adding 100 and then subtracting 1 gives 139
40 + 99
139
3 / 8
Adding 99 to 90 by adding 100 and then subtracting 1 gives 189
90 + 99
189
4 / 8
Adding 99 to 130 by adding 100 and then subtracting 1 gives 229
130 + 99
229
5 / 8
Adding 99 to 290 by adding 100 and then subtracting 1 gives 389
290 + 99
389
6 / 8
Adding 99 to 340 by adding 100 and then subtracting 1 gives 439
340 + 99
439
7 / 8
Adding 99 to 620 by adding 100 and then subtracting 1 gives 719
620 + 99
719
8 / 8
Adding 99 to 790 by adding 100 and then subtracting 1 gives 889
790 + 99
889

Revise 'Add 99 to a multiple of 10' with one of our games for 4th grade

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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.


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