Count bys
Ones, Tens, and Hundreds
3 Digit Addition & Subtraction
Ordering Numbers
100
Count by 10s: 120, ___, ___, ___, ___, ___,
120, 130, 140, 150, 160, 170
100
Draw a picture of 257 using boxes, sticks, and circles
2 boxes, 5 sticks, 7 circles
100
183 + 415 =
598
100
put in order from least to greatest 35, 72, 55
35, 55, 72
200
Count by 10s: 280, ___, ___, ___, ___, ___,
280, 290, 300, 310, 320, 330
200
30 + 700 + 9 =
739
200
276 + 459 =
735
200
put in order from least to greatest 354, 261, 603, 525,
261, 354, 525, 603
300
Count by 100s: 147, ___, ___, ___, ___, ___,
147, 247, 347, 447, 547, 647
300
73 tens = ______ hundreds + _____ tens
73 tens = 7 hundreds + 3 tens
300
600 - 472 =
128
300
put these in order from greatest to least 532, 325, 523, 352
325, 352, 523, 532
400
Count by 100s: ___, ___, ___, ___, ___, 739,
239, 339, 439, 539, 639, 739
400
4 hundreds + 5 tens + 15 ones =
465
400
48 + 36 + 72 + 54 =
210
400
932, 914, 965, 962, 981
914, 932, 962, 965, 981
500
Mr. M. starts at 32 and counts up by hundreds six times. Then he counts down by tens five times. What number does he end up at?
582 32, 132, 232, 332, 432, 532, 632 632, 622, 612, 602, 592, 582
500
13 hundreds + 48 tens + 33 ones =
1,813
500
352 + 459 + 214 + 156
1,181
500
825, 528 + 258, 852 - 25, 582, 588, 822
582, 588, 786, 822, 825, 827