Calculations Ages 7-9 Games (for two players) Activities Add nine Ethan's puzzle Treasure chests Addition squares Cross over Brick walls Make it Squares picture Leftovers Dot to dot Roll 6 Addition crossword Moons and stars How many squares? Not the same Words Make 10 Missing numbers Choosing 10 spots 20 or more Number flag Numbers in boxes   Three in a line   Doubles and halves   Mice