Rounding
19
20
40 x 9 =
360
11 x 10
110
41 x 2 =
40 x 2 = 80
248 + 44 + 1 =
293
119
100
90 x 2 =
180
20 x 12 =
240
79 x 4 =
80 x 4 =320
628 + 81 + 14 =
723
1,099
1,000
11 x 7 =
77
50 x 17 =
850
248 x 2 =
200 x 4 = 800
Colton went to the store to buy some pens. He picked up 11 packs that had 7 pens in each pack. How many pens did he have in all?
11 x 7 = 77 pens
6,500
7,000
21 x 8 =
168
42 x 24 =
1,008
5,812 x 4 =
6,000 x 4 = 24,000
In an egg cartoon there are 12 eggs. Kristin went to the store and bought 12 dozen. How many eggs did she have altogether?
If one dozen cost 8 dollars how much does Kristin need to pay for her eggs?
12 x 12 = 144 eggs
8 x 12 = 96 dollars
3,811
4,000
81 x 7 =
567
14 x 71 =
994
7,510 x 8 =
8,000 x 8 = 64,000
Preston wanted to buy some playdough. In a pack there were 12 containers in each pack. If Preston buys 14 packs how many containers of playdough will he have altogether?
Each pack cost 24 dollars. How much money will Preston need to have to pay for his playdough?
12 x 14 = 168 containers
24 x 14 = 336 dollars