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- 1. Multiple-choice30 seconds1 ptPrime numbers have:Exactly 2 factors2 pairs of factorsMore than 2 factors1 factor
- 2. Multiple-choice30 seconds1 ptComposite numbers:Are always bigger than prime numbersHave more than 2 factorsHave 2 pairs of factorsDon't have factors
- 3. Multiple-choice30 seconds1 ptFind the prime number10974
- 4. Multiple-choice30 seconds1 ptWhich number is NOT a factor of 18 ?9532
- 5. Multiple-choice30 seconds1 ptWhich number is composite?11
11132123 - 6. Multiple-choice30 seconds1 ptWhich number listed below is a prime number?1376333
- 7. Multiple-choice30 seconds1 ptWhich of the following is a factor of 54?4759
- 8. Multiple-choice3 minutes1 ptWhich of the following numbers is COMPOSITE?237441
- 9. Multiple-choice1 minute1 ptWhich of the following equations will NOT result in a multiple of 5?11 x 5 = _______7 x 3 = _______6 x 5 = _______2 x 5 = _____
- 10. Multiple-choice2 minutes1 ptWhich number is NOT divisible 6?35421872
- 11. Multiple-choice2 minutes1 ptWhich of the following numbers shows all of the factors of 12?1,2,3,4,6,121,2,3,4,6,8,121,2,4,6,122,4,6,8,10,12
- 12. Multiple-choice30 seconds1 ptWhich list is only composite numbers?1, 3, 42, 4, 64, 6, 85, 6, 8
- 13. Multiple-choice30 seconds1 ptWhich list has only prime numbers?2, 3, 4, 51, 5, 7, 92, 3, 5, 72, 4, 6, 8
- 14. Multiple-choice2 minutes2 ptsIs 3 a factor of 12?yesno
- 15. Multiple-choice30 seconds1 pt
Is 6 a factor of 36
yes
no
- 16. Open-ended30 seconds1 pt
Show all prime factors of 40
