Show:
Multuple
Rounding
Distrubitue property
Adding
Subbtracting
100

10x 30 = ?

300

100

round 356 to the nerest 10

360

100

99 x 3 = ?

(   90   +  9  )  x  3

(90 x 3 ) + ( 9 x 3 )

              

297

100

136 + 311 = ??? 

447

100

583 - 391 = ???

192

200

45 x 50 =?

2250

200

round 1,678 to the nerest 100

1,700

200

77 x 5 =

(70 +7 ) x 5 

(70 x 5 ) + (7 x 5 ) 

385

200

561 + 345 = ???

906

200

356 - 259 = ???

97 

300

15 x 80 = ?

1200

300

round 18,356 to the nerest 1,000

18,000

300

46 x 6 = 

( 40 + 6) x 6 

(40 x 6 ) + (6 x 6 )

276

300

687 + 436 = ???

1,123

300

1,637-379 = ???

1,258

400

90 x 90 = ?

8100

400

round 365,739 to the nerest 10,000

370,000

400

38 x 9 =

(30 + 8 ) x 9 

(30 x 9 ) + (8 x 9 ) 

342

400

1,123 +1,839 = ???

2,962

400

28,963 - 1,987 = ???

26,976

500

95 x 96 = ?

9120

500

round 3,673,937 to the nerest 1,000,000

4,000,000

500

99 x 9 = 

( 90 +9 ) x 9 

( 90 x 9 ) + (9 x 9 )

891

500

3,893 + 3899= ???

7792

500

167,937 - 56,358 =???

111,579