Add 10 and 100
290 + 10
300
On an Open Number Line, show me 598 + 123
721
Drawing Place Value Blocks , Show me 223 + 106
329
Using Partial Differences, show me 394 + 276
500
160
10
-------
670
667 + 10
677
450 + 100
550
On an Open Number Line, show me 375 +118
493
Drawing Place Value Blocks , Show me 149 + 362
511
Using Partial Differences, show me 347 + 242
500
80
9
__________
589
728 + 100
828
795 + 10
805
On an Open Number Line, show me 886 +114
1,000
Drawing Place Value Blocks , Show me 151 + 324
475
Using Partial Differences, show me 183 + 249
300
120
12
_____________________
432
Drawing Place Value Blocks, show me 429 + 163
592
887 + 10
897
On an Open Number Line, show me 208 +598
806
Drawing Place Value Blocks , Show me 187 + 246
433
Using Partial Differences, show me 367 + 493
700
150
10
____________
860
Using Partial Differences, show me 248 + 325
500
7
3
_________
573
879 + 100
979
On an Open Number Line, show me 637 + 242
879
Drawing Place Value Blocks , Show me 432 + 365
797
Using Partial Differences, show me 518 + 347
800
50
15
__________
865
On an Open Number Line, show me 446 + 215
661