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Questions
The BCC exposes students to a new subject and way of thinking so there isn't a need to prepare for the challenge. However, you can get a feel for the style of the problems by viewing these five sample questions from a variety of grade levels.
Boxes are shown below. Each box is labeled with its mass in kilograms.
Xena the delivery beaver fills out a form to order boxes. For example, to order boxes totaling exactly 9 kilograms, she fills out the form as follows:
✓ | ✓ | |||
16 | 8 | 4 | 2 | 1 |
How many check marks should she put on the form to order boxes totaling exactly 22 kilograms?