2-Digit Subtraction Techniques with Base-10 Blocks

What is the first step in subtracting two-digit numbers using base 10 blocks?

• Immediately subtract the ones place

• Start with the largest number in base 10 blocks

• Subtract the second number from the first

• Write both numbers in base 10 blocks

How many ones are left after subtracting 25 from 67?

• 0

• 7

• 5

• 2

What is the result of 67 minus 25?

• 35

• 52

• 45

• 42

After subtracting 25 from 67, how many tens are left?

• 5

• 3

• 2

• 4

What is the first action in the subtraction process using base 10 blocks?

• Subtract the ones

• Subtract the tens

• Write down both numbers

• Place the largest number in base 10 blocks

When subtracting 53 from 57, how many tens are taken away?

• 3

• 4

• 0

• 5

What is the final answer for 57 minus 53?

• 4

• 6

• 5

• 3

In the subtraction of 65 minus 35, what is the first digit you subtract?

• 6 from the tens

• 5 from the ones

• 3 from the tens

• 5 from the tens

How many tens are left after subtracting 35 from 65?

• 4

• 2

• 0

• 3

What is the outcome of 65 minus 35?

• 35

• 40

• 30

• 25