Place Value and Decimal Operations Practice
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Week 3
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Week 3 Answer Key
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This practice sheet covers topics like identifying place values, comparing numbers, rounding, working with decimals, writing numbers in different forms, and solving addition and subtraction problems. It includes exercises with answers to help improve understanding and skills in mathematics.
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Name: Week 3 Date: Monday Tuesday 1. What place value is the underlined digit? 1,589,302 1. What place value is the underlined digit? 73.54 2. What is the value of the underlined digit? 2. What is the value of the underlined digit? 14.5 32.19 3. Compare using >,<,= 3. Compare using >,<,= 539,392 6,392,928 1.4 1.8 4. Round to the millions place. 4. Round to the ten millions place. 4,563,009 329,530,682 5. What digit is in the tenths place? 5. What decimal does the model represent? 5.92 6. What is the standard form of 3+0.7+0.04 6. How do you write 14.05 in word form? 7. Write as a fraction and a decimal. 7. Write as a fraction and decimal. How does this decimal compare to the model from Monday? 8. Find the sum. 9. Find the difference. 8. Find the sum. 9. Find the difference. 4,283 + 627 6,293 - 532 5,281 + 2,392 1,209 - 1,023
Wednesday Thursday 1. What place value is the underlined digit? 1. What place value is the underlined digit? 167.84 0.93 2. What value is the underlined digit? 2. What value is the underlined digit? 45.3 16.7 3. Compare using >,<,= 3. Compare using >,<,= 6.13 6.31 3.5 3.50 4. Round to the hundreds place. 4. Round to the billions place. 5,693,271 1,832,538,921 5. Write the number two and fifty-nine hundredths in standard form. 5. What is the expanded notation of 2.22? 6. In the number 162.2 the value of the 2 in the ones place is ________________________________ ______________the value of the 2 in the tenths place. 6. What is the value of the underlined digits? 4.4 7. Write as a fraction and decimal. 7. Write each fraction as a decimal. 49 68 30 100 100 100 10 4 8. Find the sum. 9. Find the sum. 8. Find the sum. 9. Find the sum. 7,999 +5,399 3,294 +3,838 4,294 +6,281 5,737 +4,273 10. Find the difference. 11. Find the difference. 10. Find the difference. 11. Find the difference. 7,327 -3,828 10,432 - 963 8,000 -6,320 6,392 -2,182
Week 3 Answer Key Monday Tuesday 1. What place value is the underlined digit? 1,589,302 Hundred thousands 1. What place value is the underlined digit? 73.54 hundredths 2. What is the value of the underlined digit? 2. What is the value of the underlined digit? 14.5 0.5 32.19 2 3. Compare using >,<,= 3. Compare using >,<,= 539,392 6,392,928 < 1.4 1.8 < 4. Round to the millions place. 4. Round to the ten millions place. 4,563,009 5,000,000 329,530,682 330,000,000 5. What digit is in the tenths place? 5. What decimal does the model represent? 1.25 5.92 9 6. What is the standard form of 3+0.7+0.04 6. How do you write 14.05 in word form? Fourteen and five hundredths 3.74 7. Write as a fraction and a decimal. 7. Write as a fraction and decimal. 9 0.9 or 0.90 9 90 100 0.09 10?? 100 How does this decimal compare to the model from Monday? 0.9 > 0.09 8. Find the sum. 9. Find the difference. 8. Find the sum. 9. Find the difference. 4,283 + 627 4,910 6,293 - 532 5,761 5,281 + 2,392 7,673 1,209 - 1,023 186
Wednesday Thursday 1. What place value is the underlined digit? 1. What place value is the underlined digit? 167.84 hundredths 0.93 tenths 2. What value is the underlined digit? 2. What value is the underlined digit? 45.3 40 16.7 0.7 3. Compare using >,<,= 3. Compare using >,<,= 6.13 6.31 < 3.5 3.50 = 4. Round to the hundreds place. 4. Round to the billions place. 5,693,271 5,693,300 1,832,538,921 2,000,000,000 5. Write the number two and fifty-nine hundredths in standard form. 2.59 5. What is the expanded notation of 2.22? (2x1)+(2x0.1)+(2x0.01) or (2x1)+(2x1 1 10)+(2x 100) 6. In the number 162.2 the value of the 2 in the ones place is 10x greater than the value of the 2 in the tenths place. 6. What is the value of the underlined digits? 4.4 4 and 0.4 7. Write as a fraction and decimal. 7. Write each fraction as a decimal. 49 68 30 100 100 100 10 0.49 0.68 0.3 or 0.4 or 4 0.47 47 100 0.30 0.40 9. Find the sum. 8. Find the sum. 9. Find the sum. 8. Find the sum. 7,999 +5,399 13,398 3,294 +3,838 7,132 4,294 +6,281 10,575 5,737 +4,273 10,010 10. Find the difference. 11. Find the difference. 10. Find the difference. 11. Find the difference. 7,327 -3,828 3,499 10,432 - 963 9,469 8,000 -6,320 1,680 6,392 -2,182 4,210
