Subtraction Strategies and Word Problems

This video tutorial covers various subtraction strategies for second graders, including using a hundred chart, open number line, counting up, break apart, and compensation methods. It also includes solving word problems and critiquing reasoning in math problems.

What is the result of 65 minus 31 using a hundred chart?

• 30

• 32

• 36

• 34

If you start at 67 and count backwards by tens and ones, what is 67 minus 42?

• 25

• 27

• 29

• 23

Using an open number line, what is the result of 85 minus 30?

• 60

• 45

• 50

• 55

What is the difference when you subtract 60 minus 20 using an open number line?

• 40

• 30

• 20

• 50

How do you find 57 minus 24 using an open number line?

• 33

• 35

• 31

• 29

What is the result of 93 minus 36 using an open number line?

• 53

• 59

• 55

• 57

When counting up from 37 to 62, what is the difference?

• 23

• 25

• 27

• 29

What is the result of 52 minus 29 by counting up?

• 27

• 23

• 21

• 25

How do you break apart 17 to find 54 minus 17?

• 37

• 39

• 35

• 33

What is the result of 45 minus 19 using the break apart method?

• 22

• 28

• 24

• 26