Intervention Lesson G15 Name Subtracting Four-Digit Numbers Do # 1 - 15 The Pacific Crest Trail is 2,655 miles long. The California Coastal Trail is 1,294 miles long. How much longer is the Pacific Coast Trail than the California Coastal Trail? 1. Write 2,655 - 1,294 in the chart. Thousands Hundreds Tens 2. Look at the ones column. Do you have enough ones to subtract 4 ones? - Ones 2 6 5 5 1 2 9 4 3. Subtract the ones and record this value at the bottom of the ones column. 5 ones - 4 ones = one 4. Look at the tens column. Do you have enough tens to subtract 9 tens? 5. Regroup 1 hundred into 10 tens. Cross out the 6 hundreds and write 5 above it. Cross out the 5 tens and write 15 above it. 6. Subtract the tens. Record this value at the bottom of the tens column. 15 tens - 9 tens = tens 7. Do you have enough hundreds to subtract 2 hundreds? 8. Subtract the hundreds. Record this value at the bottom of the hundreds column. hundreds 5 hundreds - 2 hundred = 9. Subtract the thousands. Record this value at the bottom of the thousands column. thousand 2 thousands - 1 thousand = 10. How much longer is the Pacific Crest Trail than the California Coast Trail? Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved. G15 (student p. 1) miles MDIS 2.0 Intervention Lesson G15 Name Subtracting Four-Digit Numbers (continued) Subtract. 11. Thousands Hundreds Tens - Ones 4 2 1 3 1 8 5 7 12. 8,156 - 5,948 13. 16. 7,510 - 3,295 17. 8,152 - 965 20. 6,182 - 2,741 21. 14,951 - 8,965 5,623 - 1,278 14. 7,811 - 2,766 15. 9,056 - 4,128 18. 5,874 - 2,287 19. 4,213 - 1,464 23. 3,814 - 1,735 22. 2,132 - 856 24. At its greatest depth, the Atlantic Ocean is 9,219 meters deep, the Indian Ocean is 7,455 meters deep, and the Caribbean Sea is 6,946 meters deep. How much deeper is the Indian Ocean than the Caribbean Sea? 25. Reasoning Explain how to find 1,500 - 499 using mental math. Copyright © Pearson Education, Inc., or its affiliates. All Rights Reserved. G15 (student p. 2) MDIS 2.0
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