Exact Change
Adding/Subtracting 10
Adding Subtracting 100
Number Stories
Open Number Lines
100

You buy an apple for 9 cents. Use coins to show the exact amount.

1 nickel and 4 pennies or 9 pennies.

100

Add 10 to 11.

21

100

Subtract 100 from 190.

90

100

I put 5 chocolate chips in my ice cream sundae and my sister put 6 more. How many are there in all?

11 chocolate chips

100

Show how to add 10+15 on an open number on your whiteboard.

25

200

You buy a pepper for 15 cents. Use coins to show the exact amount.

1 dime and 1 nickel, 5 nickels, or 15 pennies.

200

Subtract 10 from 35.

25

200

Add 100 to 266.

366
200

I have 12 stamps and my brother gives me 8 more. How many are there in all?

20 stamps

200

Show how to add 21+40 on an open number on your whiteboard.

61

300

You buy strawberries for 32 cents. Use coins to show the exact amount.

1 quarter, 1 nickel and 2 pennies, 3 dimes and 2 pennies, 6 nickels and 2 pennies, 32 pennies, or any other possible coin combinations.

300

Subtract 10 from 57.

47

300

Subtract 100 from 328.

228

300

I have 7 stuffed animals and I get 5 more for my birthday. How many are there in all?

12 stuffed animals

300

Show how to add 50+32 on an open number on your whiteboard.

82

400

You buy a milkshake for 67 cents. Use coins to show the exact amount.

2 quarters, a dime, a nickel and 7 pennies or any other coin combinations.

400

Add 10 to 214.

224

400
Add 100 to 729.

829

400

I have 20 baseball cards in my collection. 16 of them are rare. My friend gave me some new ones. How many baseball cards did my friend give me?

4 baseball cards

400

Show how to add 46+22 on an open number on your whiteboard.

68

500

You buy chicken nuggets for 90 cents. Use coins to show the exact amount.

3 quarters, 1 dime, 1 nickel or any other coin combinations.

500

Add 10 to 989.

999

500

Add 100 to 961.

1,061

500

I collected 18 seashells on the beach yesterday. I collected 11 and my mom collected the rest. How many did my mom collect?

7 seashells

500

Show how to add 55+37 on an open number on your whiteboard.

92