Two-Digit Addition

Vocabulary

100

The answer to an addition problem.

What is sum?

200

A number that is added to another number.

What is an addend?

300

Finding the total, or sum, by combining two or more numbers together.

What is addition?

400

Counting by equal groups (a number other than one).

What is skip counting?

500

The reorganization of numbers.

What is regrouping?

Number Sense

100

How many ones are in the number 28?

There are 8 ones.

200

What is 10 more than 46?

56

300

What is the value of the 5 in 517?

500

400

Which number is 20 + 40 + 3?

63

500

Which number is closest to 80: 76, 82, or 69?

82

Multiple 2 digit addition

100

12 + 15 + 10

37

200

24 + 16 + 10

50

300

46 + 18 + 25

89

400

67 + 25 + 18

110

500

12 + 34 + 22 + 18 = ____

86

Review

100

100 more than 358?

458

200

234 + 125

359

300

469 + 357

826

400

804 − 276

528

500

325 + 140 + 210

675