rounding
comparing
add / find the sum
subtract / find the difference
number forms
100

Round this number to the nearest hundred thousands place.

451,278

500,000

100

134,726 ___ 143,361

134,726 < 143,361

100

12,371 + 11,026 =

23,397

100

12,371 - 11,020 =

1,351

100

Write this in standard form:


(4 x 10,000) + (3 x 1,000) + (2 x 100) + (1 x 10) + (4 x 1)

43,214

200

Round this number to the nearest ten thousands place.

451,278

450,000

200

12,271 ___ 1,231

12,271> 1,231

200

612,271 + 122,342 =

734,613

200

456,718 - 125,125 =

331,593

200

Write this in standard form:


(5 x 100,000) + (3 x 100) + (1 x 10) + (4 x 1)

500,314

300

Round this number to the nearest thousands place.

451,278

451,000

300

64,221 ___64,221

64,221 = 64,221

300

162,271 + 712,182 =

874,453

300

642,156 - 151,538 =

490,618

300

Write this number in expanded form. 

(There are two ways you can do it!)


420,561

400,000 + 20,000 + 500 + 60 + 1

OR


(4x100,000) + (2x10,000) + (5x100) + (6x10) + (1x1)

400

Round this number to the nearest hundreds place.

451,278

451,300

400
2,618,173 __ 2,618,137

2,618,173 > 2,618,137

400

123 + 788 + 122 =

1033

400

871,261 - 686,072 =

185,189

400

Write this number in standard form:


six hundred twenty thousand, four hundred seven

620,407

500

Round this number to the nearest thousands place.

459,698

460,000

500

71,271 __ 7,271

71,271 > 7,271

500

271,237 + 1,281 + 73,789 =

346,307

500

154,001 - 126,424 =

27,577

500
Write in word form:


504,216

five hundred four thousand, two hundred sixteen

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