Addition
Do you need to regroup to add 32+21?
Yes or no?
No
Do you need to break a 10 to subtract 823-87?
Yes or no?
YES
Find the pattern
34,___,54,64
44
Write 345 in Expanded Form
300+40+5
432 is greater than 324?
True
Add 28+31
59
Subtract 86-24
62
210,310,410,510
Yes or no; Is this Unit form correct for 837?
3 tens
7 hundreds
8 ones
Which number is greater?
845 ___ 865
865
How much is 35+64?
99
How much is 346-122
224
Find the pattern
86, ____, _____, 89 , 90
86, 87 , 88 , 89 , 90
Yes!
Which is greater?
3 tens and 2 ones ___ 20 + 3
3 tens and 2 ones
Add 64+127
171
Subtract 87-28
59
Count backwards from 89 to 9 by TENS
89,79,69,59,49,39,29,19,9
Write the Unit form for 30+6+800
8 hundreds
3 tens
6 Ones
200+3+30 = 3 tens, 2 hundreds and 8 ones
FALSE
Add 235+179
414
How much is 432-85
347
Find the pattern
878, _____, _______, 908
878,888,898,908
What number would it be 200+20+1+1+2+100?
324
Compare these numbers!
20+20+200+2 _____ 2 tens, 2 hundreds, 4 ones
242