Math Mysteries 24

1. What is the value of 6! ? Hint: Factorial

2. How many prime numbers are less than 15? Hint: Prime Numbers

3. If each side of a square is doubled, then its area is multiplied by ? Try it out!

4. Half of 26 =

5. George got these scores on his math tests: 73, 75, 77, 85. What does he need to get on his next math test to bring his test score mean up to 80?

6. How do you change from grams to kilograms? BrainPop: Metric vs Imperial

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