Standard Algorithm with regrouping
62+19=
81
How many tens in the number:
345
First
First
65+26=
91
83-63=?
20
28+33=
61
How many tens and ones are in the number:
68
6 tens
8 ones
They're
They're
28+33=
61
85-60=
25
86+15=
101
how many hundreds are in the number:
489
4 hundreds
You
You
56+34=
90
73-68=
5
23+68=
91
How many 100's 10's and 1's are in the number:
456
4 hundreds
5 tens
6 ones
Bear
Bear
13+28=
41
90-85=
5
15+16=
31
what is this number written in standard form?
200+40+8
248
eight
eight
47+13=
60
97-38=
59