Addition and Subtraction Review

Expanded Form

100

Write 667 in expanded form

600 + 60 + 7 

200

Write 362 in expanded form 

300 + 60 + 2

300

Write 902 in expanded form 

900 + 2 

400

Write 3,521 in expanded form 

3,000 + 500 + 20 + 1 

500

Write 7, 468 in expanded form 

7,000 + 400 + 60 +8 

Place Value

100

Solve 45 + 821 = 

866

200

Solve 543 - 63

480

300

Solve: 456 + 789 

1,245 

400

Solve: 734 - 278

456

500

Solve: 

567 + 765 = 

and 

765 - 567 = 

1,332

and 

198

Expanded form (addition and subtraction)

100

93 + 42 

Expand: 93 

Expand: 42 

Now add them together using expanded form

90 + 3 

40 + 2 

130 + 5 = 135 

200

93 - 42 

Expand: 93 

Expand: 42 

Now subtract them together using expanded form

90 + 3

40 + 2

50 + 1 = 51

300

345 + 237

Expand: 345

Expand: 237 

Now add them together using expanded form

300 + 40 + 5

200 + 30 + 7 

500 + 80 + 2 = 582

400

345 - 237

Expand: 345

Expand: 237 

Now subtract them together using expanded form

300 + 40 + 5 

200 + 30 + 7 

500 + 0 + 8 = 508

500

678 + 943

Expand: 678

Expand: 943 

Now add them together using expanded form

600 + 70 +8 

900 + 40 + 3

1,600 + 20 + 1 = 1,621

Adding 3 numbers

100

23 + 67 + 99

189

200

101 + 78 + 234 = 

413

300

65 + 381 + 721

1, 167

400

489 + 333 + 571 = 

1, 393

500

876 + 392 + 289 = 

1, 557