Three-Digit Subtraction Strategies and Techniques

What is the initial number of beads Daisy has before making the necklace?

• 323 beads

• 152 beads

• 171 beads

• 100 beads

How many hundreds are initially used to represent 323 in base ten blocks?

• 2 hundreds

• 3 hundreds

• 1 hundred

• 4 hundreds

What does the teacher regroup to solve the subtraction?

• One hundred into ten tens

• Two tens into twenty ones

• Three tens into thirty ones

• One ten into ten ones

After regrouping and subtracting, how many tens are left?

• 12 tens

• 7 tens

• 10 tens

• 5 tens

What is the final number of beads Daisy has after making the necklace?

• 100 beads

• 323 beads

• 152 beads

• 171 beads

In the pictorial model, what is first drawn to represent the hundreds?

• Two blocks

• One block

• Four blocks

• Three blocks

How many tens does the teacher draw after regrouping a hundred into tens?

• 7 tens

• 12 tens

• 5 tens

• 10 tens

Using the algorithm, what is the result of subtracting 2 from 3 in the ones place?

• 0

• 1

• 2

• 3

How many hundreds are left after all subtractions using the algorithm?

• 1 hundred

• 0 hundreds

• 3 hundreds

• 2 hundreds

What is the final answer to how many beads Daisy has left?

• 200 beads

• 152 beads

• 323 beads

• 171 beads