Hundreds Chart
2 Digit Addition
3 Digit Addition
Rounding & Estimating
100
Start at 34, go right 3 spaces. What number are you at now?
37
100
25 + 8
33
100
143 + 13
156
100
round 56 to the nearest 10
60
200
start at 42, go down 5 spaces. What number are you on?
92
200
32 + 50
82
200
183 + 200
383
200
round 93 to the nearest ten
90
300
Go from 32 to 50 using only 4 "jumps"
go left twice, then down twice
300
55 + 25
80
300
219 + 304
523
300
round both of these numbers to the nearest hundred. You must get both right to get the points! 532 681
532 : 500 681 : 700
400
start at 38. Go right 4 spaces, then up 4 spaces. What number are you at?
2
400
44 + 28
72
400
543 + 289
832
400
round both numbers to the nearest ten, then add to find the estimate 51 + 38
51 : 50 38 : 40 50 + 40 = 90
500
I started on a number. I went up 5, then left 6. I ended at 38. What number did I start on?
94
500
67 + 46
113
500
765 + 1,427
2,192
500
Round each number to the nearest ten, then add together to estimate 512 + 485
512 : 510 485 : 490 510 + 490 = 1,000
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