MAT 140 Quiz: Unit_04_Decimals_-_quiz
Document Summary
Lesson 1: numbers in the media: rewrite each number in standard form, 3. 6 million, 2. 2: 4. 25 million, 1. 4 billion, use decimals. Round each number to the nearest hundredth of a million: 16 284 371, 4 575 234, 1 906 242, 51 421 357, 47 072 148, 5 393 175. Lesson 2: exploring thousandths: write each number as a decimal. 10: write each decimal as a fraction or a mixed number, 0. 436, 10. 102, 5. 016, 7. 019, 13. 004, 4. 3. Lesson 6: adding and subtracting decimals: add, 1. 685. 3. 881: write vertically, then add or subtract, 6. 941 2. 34, 8. 142 + 0. 51, 3. 85 + 7. 206, 2. 856 1. 23, 1. 456 + 0. 937, 5. 34 1. 9. Lesson 7: multiplying decimals by 10, 100, 1000, 10 000. Use mental math to find each product: a) 4. 9 10. 27. 631 1000: a) 5. 63 10, 59. 042 100, 94. 007 10 000, 7. 851 10 000, 17. 384 1000, 26. 34 100, 0. 937 10.
