Expanded Algorithm
Let's Draw! Addition
Let's Draw! Subtraction
3 by 3 is ok with me!
Is It Reasonable?
100
523 + 482
What is 500 + 400 = 900, 20 + 80 = 100, 3+2 = 5. 900 + 100 = 1000 1000 + 5 = 1,005
100
187 + 211
What do you think Mr Taranto? (398)
100
377 - 28
Did you regroup? (349)
100
430+72+8
What is 510?
100
328 + 452
What is (300+500=800) 780?
200
At Green School, 325 students walk, bike, or get a ride to school. There are 413 students who take the bus to school. This is how many students go to Green School.
What is 300+400=700, 20+10=30, 5+3=8 700+30= 730 730+8=738
200
498 + 28
Mr. Taranto is always right (526)
200
432 - 331
Did you have to regroup? (101)
200
567+111+23
What is 701?
200
349 + 251
What is (300+300=600) 600?
300
Write the sum of the hundreds,tens, and ones for 326+253.
What is 500+70+9=579
300
312 + 276
On the banks of the Red Cedar...(588)
300
500 - 231
Why did you make them zeros Mr. T...that's not cool man! (269)
300
123+112+34
What is 269?
300
882-347
What is (880-350=530) 535?
400
These are the steps for finding 838 - 427 and the difference.
What is subtract 400 then subtract 20 and finally subtract 7 to equal 411?
400
711 + 309
I hope you're paying attention (1,020)
400
709 - 610
That was a large amount of drawing (99)
400
421+271+179
What is 871?
400
337-81
What is (340-80=260) 256?
500
Jeff wants to find the difference of 125 - 113. He has subtracted the hundreds and tens so far. This is the sum of the two numbers he has subtracted and this is how much he still need to subtract.
What is 110 and 3?
500
337 + 478
You remember me forever! (815)
500
902 - 199
Are you kidding me! (703)
500
654+321+98
What is 1,073?
500
417+277
What is (400+300=700) 694?
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