2-digit place value

3-digit addition

Math Vocabulary

Money

2-digit Subtraction

100

30+40=70

How many tens are in 30?

3 tens

100

100+50=?

150

100

1+1=2

What is this called?

Number Sentence

100

If I have 2 quarters how much if the value?

50 cents

100

20-30=?

10

200

45+50=?

95

200

120+10=?

130

200

If a problem is asking for the difference, what should you do?

Subtract

200

If I have 4 quarters how much do I have?

1 dollar

200

90-30=?

60

300

50+80=?

130

300

150+250=?

400

300

If a problem asks for the sum what do you do?

Add

300

$4.00c

What's wrong with this?

The "c"

300

80-75=?

5

400

90+20+10=?

120

400

200+100+50=?

350

400

If the number is too small to subtract from, what do, we do?

Barrow

400

How would you write 50 cents in DDC form?

$0.50

400

50-10-20=?

20

500

95+50+26=?

281

500

150+60+15=?

225

500

If the number is too big that we carried where do the other half of the number go to?

It's neighbor

500

If I have 5 dollars and my friend needs 2 dollars how much would I have left? Write it in DDC form.

$3.00

500

90-66-15=?

9