Multuple
10x 30 = ?
300
round 356 to the nerest 10
360
99 x 3 = ?
( 90 + 9 ) x 3
(90 x 3 ) + ( 9 x 3 )
297
136 + 311 = ???
447
583 - 391 = ???
192
45 x 50 =?
2250
round 1,678 to the nerest 100
1,700
77 x 5 =
(70 +7 ) x 5
(70 x 5 ) + (7 x 5 )
385
561 + 345 = ???
906
356 - 259 = ???
97
15 x 80 = ?
1200
round 18,356 to the nerest 1,000
18,000
46 x 6 =
( 40 + 6) x 6
(40 x 6 ) + (6 x 6 )
276
687 + 436 = ???
1,123
1,637-379 = ???
1,258
90 x 90 = ?
8100
round 365,739 to the nerest 10,000
370,000
38 x 9 =
(30 + 8 ) x 9
(30 x 9 ) + (8 x 9 )
342
1,123 +1,839 = ???
2,962
28,963 - 1,987 = ???
26,976
95 x 96 = ?
9120
round 3,673,937 to the nerest 1,000,000
4,000,000
99 x 9 =
( 90 +9 ) x 9
( 90 x 9 ) + (9 x 9 )
891
3,893 + 3899= ???
7792
167,937 - 56,358 =???
111,579