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Questions in Grade Middle-school

[Open]What are the prime factors for the numbers 45, 12, and 78?

[Open]List 20 things that come in bags (e.g., chips): 1. Rice 2. Flour 3. Sugar 4. Coffee beans 5. Popcorn 6. Cookies 7. Candy 8. Potatoes 9. Vegetables 10. Salad mix 11. Bread 12. Pet food 13. Dried fruit 14. Nuts 15. Frozen vegetables 16. Snack mixes 17. Cereal 18. Tea 19. Spices 20. Pasta

[Open]Julie got 21 of the 23 questions on her math test correct. She got 29 of the 32 questions on her science test correct. 1. On which test did she get a higher score? 2. Can you compare the fractions \(\frac{21}{23}\) and \(\frac{29}{32}\) by comparing 29 and 21? Explain. 3. How can Julie compare her scores?

[Open]Mark has $186 in his savings account. He withdraws $94, deposits $56, and then withdraws $70. Find the balance of his account.

[Open]Josh made $234 for 18 hours of work. At the same rate, how many hours would he have to work to make $91?

[Open]Nick has $7.00. Bagels cost $0.75 each, and a small container of cream cheese costs $1.29. Write an inequality to find the number of bagels Nick can buy. Identify what your variable represents.

[Open]What is the relationship between 0.04 and 0.004?

[Open]Look at the decimal 0.121122111222.... If the pattern continues, is this a repeating decimal? Explain.

[Open]When acid comes into contact with calcite, the acid bubbles. How can geologists use acid to confirm that the rock towers are made of limestone?

[Open]How do I solve this equation? \[ 8(c-9) = 6(2c-12) - 4c \]