How do you carry over in addition?

If the sum of a column exceeds 9, carry over the tens to the next column.

What is the result of adding two numbers where one is a multiple of 10?

The sum will end in the same digit as the other number.

How do you check your addition?

You can check by subtracting one of the addends from the sum.

What is the associative property of addition?

The way in which numbers are grouped does not change their sum.

What is the commutative property of addition?

Changing the order of the addends does not change the sum.

What is a two-digit number?

A number that has two digits, ranging from 10 to 99.

...

Flashcard

•

Mathematics

•

2nd Grade

•

Practice Problem

•

Hard

•

CCSS

2.NBT.B.5, 2.NBT.B.7, 1.NBT.A.1

Standards-aligned

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15 questions

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FLASHCARD QUESTION

Front

What is the sum of 33 and 46?

Back

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

FLASHCARD QUESTION

Front

What is 13 + 75?

Back

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

FLASHCARD QUESTION

Front

What is 89 + 11?

Back

100, 111, 106, 90 (correct answer is 100)

Tags

CCSS.2.NBT.B.5

FLASHCARD QUESTION

Front

What is 75 + 56?

Back

131

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

FLASHCARD QUESTION

Front

What is the process of adding two-digit numbers called?

Back

Two-digit addition

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

FLASHCARD QUESTION

Front

What is the maximum sum of two two-digit numbers?

Back

198

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

FLASHCARD QUESTION

Front

What is the minimum sum of two two-digit numbers?

Back

Tags

CCSS.2.NBT.B.7

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