Kindergarten:
5 birds in an apple tree. 3 birds in a cherry tree. How many more birds are
in the apple tree?
1st Grade: There are ducks and sheep on Uncle Gerdo's farm. Fern says, "I see 4 animals". Wilbur says, "Yes, and altogether they have 10 legs." How many ducks and how many sheep could there be? Show your thinking.
2nd Grade: Three spiders each made 5 webs. How many webs did they make in all?
3rd Grade: Some dogs were ready for the 7th Annual Doggone Good Dog Show at the fairgrounds. Some people were standing with the dogs. When Jake peeked under the dog show tent, he saw 20 legs. Some were dog legs, others belonged to a human. How many people and how many dogs were behind the show tent?
4th Grade: Molly
is comparing shapes and their perimeters. She makes a shape that has a perimeter
of 24 units. Then, she makes a similar shape with a perimeter half as big as
the first shape. Compare the areas of the two similar shapes. What do you notice?
Explain your thinking.
5th Grade: Towan is trying to figure out how many different rectangular prisms (boxes) he can make out of 12 cubic units? Help him by showing all of your work. Hint: Act it out and/or draw a picture.
6th Grade: During the presidency of Thomas Jefferson, the United States succeeded in purchasing from France a large body of land known as the Louisiana Territory. The purchase was called the Louisiana Purchase. On April 30, 1803, Robert Livingston, ambassador to France, and James Monroe, special envoy, concluded a treaty in Paris in which the United States purchased from France the whole of the Louisiana territory for $15,000,000. The territory, approximately 800,000 square miles, included the Mississippi River Valley and most of the present-day Midwest, almost doubled the size of what was then the United States. One acre is 43,560 square feet or 4,840 square yards. There are exactly 640 acres in a square mile. a. How many acres were purchased? b. What was the cost per acre?