Decimal Operations and Review

1. Fill in each blank with the correct word from the drop down menu when you click on the blank. Sum means addDifference means subtractQuotient means divideProduct means multiply 2. Determine if you need to line up the decimals for each of the following and put it in the correct column. You need to line up the decimal points Adding decimals Subtracting decimals You don't need to line up the decimal points Multiplying decimals Dividing decimals 3. Find the sum of 5.7 and 3.78 8.148 9.48 21.546 4.35 4. Which number is not a factor of 30? 5 30 10 60 5. Which number is nota multiple of 12. 96 24 12 6 6. What is the product of 4.5 and 3.2? 14.4 7.7 1.3 15 7. Find the difference:5.67 - 3.4 5.37 2.27 9.07 13.27 8. Find the greatest common factor of 16 and 40. 2 4 8 12 9. Sort the following numbers as either prime or composite. Prime 2 47 61 19 Composite 49 77 51 27 10. What is correct factorization of 45 + 36? 9(5 + 36) 81 3(15 + 33) 9(5 + 4) 11. Use the distributive property to simplify the expression 5(7 + 4). 5 x 11 35 + 20 55 35 + 4 12. Find the quotient of the following:54 ÷ 1.2 4.5 55.2 52.8 45