Addition Standard Algorithm
Subtraction Standard Algorithm
Number Names
Expanded form
100

8,457+4,887

13,344

100

2025-1995

30

100

Forty five thousand one hundred twenty three

45,123

100

50,000+3,000+400+50+6

53,456

200

1,234+7,994

9,228

200

2002-1987

15

200

Eighty five thousand six hundred forty five

85,645

200

60,000+5,000+100+30+4

65,134

300

35,876+24,321

60,107

300

2015-1879

136

300

Seventy four thousand six hundred sixty eight

74,668

300

80,000+7,000+900+80+7

87,987

400

47,765+63,772

111,537

400

2025-1776

249

400

Thirty two thousand seven hundred sixty nine

32,769

400

125,647

100,000+20,000+5,000+600+40+7

500

157,352+32,845

190,197

500

If Ms. Madsen is born in the year 1992, how old will she be in the year 2060?

68

500

Ninety three thousand five hundred sixteen

93,516

500

854,246

800,000+50,000+4,000+200+40+6

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