Enter Title

Rounding off numbers

100

152,301 (nearest ten thousands)

150,000

200

 5,670,679 (nearest million)

6,000,000

300

299,946,678 (nearest ten million)

300,000,000

400

 8,348,690,123 (nearest billion)

8,000,000,000

500

 99,348,690,123 (nearest ten billion)

100,000,000,000

EXPANDED NOTATION

100

Expand it using the value expanded form: 

2,298,398 =

2,000,000 + 200,000 + 90,000 + 8,000 + 300 + 90 + 8

200

Expand it using the value expanded form:

156,234,987 =

100,000,000 + 50,000,000 + 6,000,000 + 200,000 + 30,000 + 4,000 + 900 + 80 + 7

300

Expand it using the place value expanded form:

999,999 =

(9 x 100,000) + (9 x 10,000) + (9 x 1,000) +
(9 x 100) + (9 x 10) + (9 x 1) 

400

Expand it using the exponential expanded form:

918,623 =

(9x10⁵) + (1x10⁴) + (8x10³) +  (6x10²) + (2x10¹) + (3x10⁰)

500

Expand it using the exponential expanded form:

7,645,123,956 = 

(7 x 10⁹) + (6 x 10⁸) + (4 x 10⁷) + (5 x 10⁶) +
(1 x 10⁵) + (2 x 10⁴) + (3 x 10³) + (9 x 10²) +
(5 x 10¹) + (6 x 10⁰)

ADDITION

100

8,985 + 2,345 =

11,330

200

134,641 + 87,581 = 

222,222

300

€523.81 + €102.10 =

€625.91

400

¥912.321 + ¥181.413 = 

 ¥1093.734

500

$32,455.75 + $895.50 + $450.25 = 

$33,801.50