Make a ten to find .
23 is modeled as shown.
By using the place value model to add 9 to 23, we will not be able to add all the beads in the ones column, so we will regroup the ones.
Which of these models shows the regrouping?
Fill in the blank: .
Khalid has 69 marbles. His friend gives him 4 more. How many marbles does he have now?