Place Value Blocks
Use Place Value Blocks: 531 - 319 =
212
Use a Number Line: 513 - 302 =
211
Use Partial Differences: 260 - 130 =
130
Use Place Value Blocks: 249- 150 =
99
Use a number line: 681 - 350 =
331
Use Partial Differences: 987 - 580 =
407
Use Place Value Blocks: 669 - 258 =
411
Surprise RISE
Use Partial Differences: 769 - 601 =
168
Use Place Value Blocks: 825 - 735 =
90
Use a number line: 712 - 301 =
411
Use Partial Differences: 215 - 115 =
100
Use Place Value Blocks: 894 - 873 =
21
Use a number line: 450 - 340 =
112
Surprise RISE