You must sign up first, so you can keep track of your scores. From Headbone Zone. All the exercises and written problems use addition. Lessons use a problem-solving approach and actively engage students in the learning process. For children in grades 5 to 8.
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You must use all 7 pieces in each puzzle and they must touch but not overlap. Make a kangaroo, a candle, a boot, a sailboat,and other shapes. Answers are provided. From the Strong Museum. On each number page they do different tricks.