Round To Nearest Ten
36
What is 40?
172
What is 200?
32 + 49
(tens)
30 + 50 =
80
(6 + 1) + 4 = 6 + (1 + 4)
What is the Associative Property?
620 + 255
What is 875?
22 + 99 =
(tens)
20 + 100 = 120
8 + 3 = 3 + 8
What is the Commutative Property?
687 + 394=
What is 1,081
540 + 386 =
(hundreds)
500 + 400 = 900
9 + 0 = 9
What is the Identity Property?
528 + 169=
What is 697?
619 + 341=
(tens)
620 + 340 = 960
7 + 3 = ___ + 7 You get an extra 100 points if you fill in the blank correctly.
What is the Commutative Property and 3?
769 + 459 =
What is 1,228
4,136 + 2,355
(hundreds)
4,100 + 2,400= 6,500
___ + 18 = 18 You get an extra 100 points if you fill in the blank correctly.
What is the Identity Property and 0?
On Monday, Miss Dean bough 2,389 erasers. On Tuesday, she bought 1,834 more erasers. She really likes erasers for her students! ABOUT how many erasers does she have now?
ADD THEN ROUND TO NEAREST THOUSAND
What is 4,223?