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Related Activities to Try at Home

Playing Double Compare We have been playing Double Compare with all of the cards from 0 to 10. You could play at home with a deck of playing cards. Each player gets half the deck. Both players turn over their top two cards, and the person with the greater total says “me.” The game is over when all of the cards have been turned over. Be sure to ask your child to explain how she or he knows which number is greater. You might be surprised—although many children count or add to find and compare the totals, some children do not. Instead they reason about the numbers:

Four number cards. d

“I have 6 and 3. You have 6 and 5. We both have 6, so you have more because 5 is more than 3.”

Four number cards. d

“Both of my numbers are bigger than both of yours. So I have more.”

Or, “I have 2 big numbers, and you have 2 small numbers. I have more.”

Math and Literature You can find these books in your local library and read them together. These books focus on measuring, counting forward, and counting back:

Bang, Molly. Ten, Nine, Eight.

Dale, Penny. Ten in the Bed.

Bowman, Anne. Count Them While you Can…: A Book of Endangered Animals.

Deitz Shea, Pegi, Cynthia Weill, and Pahm Viet-Dinh. Ten Mice for Tet!

Heo, Yeumi. Ten Days and Nine Nights: An Adoption Story.

Martin, Bill. Chicka Chicka 1, 2, 3.

Metropolitan Museum of Art. Museum 123.

Sayre, April Pulley and Sayre, Jeff. One is a Snail, Ten is a Crab.


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Table of Contents

Investigations 3 in Number, Data, and Space®, Student Activity Book Unit 1 Counting People, Sorting Buttons Unit 2 Counting Quantities, Comparing Lengths Unit 3 Make a Shape, Fill a Hexagon Unit 4 Collect, Count, and Measure Unit 5 Build a Block, Build a Wall Unit 6 How Many Now? Unit 7 How Many Noses? How Many Eyes? Unit 8 Ten Frames and Teen Numbers