Transcript Adding Three Digit Numbers with Base Ten Blocks

Adding Three Digit
Numbers with Base
Ten Blocks
Second Grade Math
2nd Nine Weeks: Week Three
Bridgeton Elementary School
Chrissy French
When we add base ten blocks we are looking for the
magic number 10!
Now,
Don’tadd
forgettheto
Nextthe
add
Add
puthundreds.
the new
the tens.
ones
first.in
hundred
1+4+2= 7
the 8 12
8+4=
3+5=
hundreds
place!
OR: You can write the numbers and add
the numbers instead of the base ten
blocks. Like this.
1
483
+245
728
Lastly,
add
Next
add
Always add
all
the
theoftens.
ones
hundreds.
first.
8+4=12
Remember to
1+4+2=7
3+5=8
regroup when your
answer is over 10.