What is the main purpose of using base 10 blocks in subtraction?

• To memorize subtraction facts

• To add numbers more easily

• To visualize and understand subtraction better

• To make subtraction faster

In the example of 48 minus 13, how many ones are left after subtracting?

• Three

• Four

• Five

• Six

After subtracting the tens in 48 minus 13, what is the remaining number of tens?

• One

• Two

• Three

• Four

In the example of 57 minus 36, how many ones are left after subtraction?

• Two

• One

• Three

• Four

What is the final answer when subtracting 57 minus 36 using base 10 blocks?

• 21

• 20

• 22

• 19