Add Within 1,000
210+10=
220
100+50=
150
357
+ 125 =
482
158+261=
100+50+8
200+ 60+1
= 419
How would you model the answer to 130+100 in place value blocks?
230
360
125+105=
130
287
+ 451 =
738
176+275=
100+70+6
200+70+5
= 451
How would you model the answer to 137+125 in place value blocks?
262
423+100=
523
230+150=
180
456
+ 521 =
977
220+235=
200+20+0
200+30+5
= 455
How would you model the answer to 275+220 in place value blocks?
495
490+100=
590
347+242=
589
659
+ 127 =
786
374+463=
300+70+4
400+60+3
= 837
How would you model the answer to 378+425 in place value blocks?
803
600
438+272=
710
789
+ 147 =
936
488+397=
400+80+8
300+90+7
= 885
How would you model the answer to 498+193 in place value blocks?
691