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Vocabulary
Adding
Subtracting
Subtracting
Review
100
What is the answer to an addition problem called?

Sum

100

57 + 22 =

79

100

93 - 32 =

61

100

85 - 49 =

36

100

189 written in expanded form

100 + 80 + 9

200

What is the answer to a subtraction problem called?

Difference

200

632 + 661

1,293

200

645 - 237=

408

200

342 - 128 =

214

200

The digit in the thousands place: 16,345

6

300

What is the first step to solving an addition or subtraction problem?

Line up the place values

300

5,647 + 854 =

6,501

300

500 - 78

422

300

5,786 - 2,964 =

2,822

300

The value of the digit in the hundreds place: 53,636

600

400

What strategies are used to estimate addition and subtraction problems? (name both)

Rounding and Compatible Numbers

400

3,965 + 11,357 =

15,322

400

9,000-5,637=

3,363

400

32,854 - 17,864 =

14,990

400

5,643 rounded to the nearest hundred

5,600

500

What are the 3 forms of a number?

Standard form, Word form, and Expanded form

500

32,789 + 65,382 =

98,171

500

8,000 - 4,678=

3,322

500

543,846 - 327,467 = 

216,379

500
17,943 rounded to the nearest ten-thousand
20,000