Regrouping with Subtraction Quiz

What is the first step in solving a subtraction problem involving regrouping?

• Add the numbers together

• Line up the numbers correctly

• Ignore the place values

• Start subtracting from the tens place

How many tens blocks are needed to represent the number 45?

• Four tens blocks

• Five tens blocks

• Three tens blocks

• Two tens blocks

What do you do when you don't have enough ones to subtract?

• Add more ones

• Trade a tens block for 10 ones

• Skip the subtraction

• Subtract from the tens place instead

After regrouping, how many ones are left when you subtract 7 from 15?

• 5 ones

• 6 ones

• 7 ones

• 8 ones

How many students are left on the bus after 17 get off?

• 18 students

• 28 students

• 38 students

• 48 students