All Common Core: 1st Grade Math Resources
Example Questions
Example Question #9 : Add And Subtract 10 To Two Digit Numbers: Ccss.Math.Content.1.Nbt.C.5
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 #21 : 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 #22 : 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 #23 : 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 #24 : 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 #25 : 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 #2385 : Numbers And Operations
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 #1101 : Common Core Math: Grade 1
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 #2387 : Numbers And Operations
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 #2388 : Numbers And Operations
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.