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Add 3 two-digit numbers
for 1st grade

Use number bonding to add 3 double-digit numbers together

Below is a table showing the first 6 question answer pairs for the topic "Add 3 two-digit numbers" as used in the lessons for this topic. Our games and tests for the topic use these 6 items plus 9 additional question answer pairs.

The topic "Add 3 two-digit numbers" is in the category Addition for 1st grade (ages 6 to 7).

1 / 6
The number that bonds with 10 and 10 to make 30 is 10
10 + 10 + ▢ = 30
10
2 / 6
The number that bonds with 20 and 10 to make 40 is 10
20 + 10 + ▢ = 40
10
3 / 6
The number that bonds with 10 and 10 to make 35 is 15
10 + 10 + ▢ = 35
15
4 / 6
The number that bonds with 11 and 10 to make 40 is 19
▢ + 11 + 10 = 40
19
5 / 6
The number that bonds with 10 and 14 to make 40 is 16
10 + ▢ + 14 = 40
16
6 / 6
The number that bonds with 10 and 22 to make 50 is 18
10 + 22 + ▢ = 50
18

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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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