All Common Core: 1st Grade Math Resources
Example Questions
Example Question #31 : Place Value And Properties Of Operations To Add And Subtract
When we add to a two digit number, the only number that changes in our answer is the tens position, and it will always go up by
. Mentally, we can add
to the number in the tens place to find our answer.
Example Question #1324 : How To Add
When we add to a two digit number, the only number that changes in our answer is the tens position, and it will always go up by
. Mentally, we can add
to the number in the tens place to find our answer.
Example Question #1325 : How To Add
When we add to a two digit number, the only number that changes in our answer is the tens position, and it will always go up by
. Mentally, we can add
to the number in the tens place to find our answer.
Example Question #32 : Place Value And Properties Of Operations To Add And Subtract
When we add to a two digit number, the only number that changes in our answer is the tens position, and it will always go up by
. Mentally, we can add
to the number in the tens place to find our answer.
Example Question #962 : Numbers And Operations
When we subtract from a two digit number, the only number that changes in our answer is the tens position, and it will always go down by
. Mentally, we can subtract
from the number in the tens place to find our answer.
Example Question #963 : Numbers And Operations
When we subtract from a two digit number, the only number that changes in our answer is the tens position, and it will always go down by
. Mentally, we can subtract
from the number in the tens place to find our answer.
Example Question #964 : Numbers And Operations
When we subtract from a two digit number, the only number that changes in our answer is the tens position, and it will always go down by
. Mentally, we can subtract
from the number in the tens place to find our answer.
Example Question #965 : Numbers And Operations
When we subtract from a two digit number, the only number that changes in our answer is the tens position, and it will always go down by
. Mentally, we can subtract
from the number in the tens place to find our answer.
Example Question #751 : How To Subtract
When we subtract from a two digit number, the only number that changes in our answer is the tens position, and it will always go down by
. Mentally, we can subtract
from the number in the tens place to find our answer.
Example Question #752 : How To Subtract
When we subtract from a two digit number, the only number that changes in our answer is the tens position, and it will always go down by
. Mentally, we can subtract
from the number in the tens place to find our answer.
All Common Core: 1st Grade Math Resources
