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Standard Units

Grade 2 · Measurement · Worksheet 1

  1. A bookshelf is 86 cm tall and a table is 49 cm tall. How much taller is the bookshelf than the table? Answer: ______________
  2. A bookshelf is 145 cm tall and a table is 78 cm tall. How much taller is the bookshelf? Answer: ______________
  3. A bookshelf is 156 cm tall and a chair is 89 cm tall. How much taller is the bookshelf? Answer: ______________
  4. Zoe and Zoe each measure their jump lengths. Zoe jumps 3 feet. Zoe jumps 4 feet. How many feet total do both friends jump? Answer: ______________
  5. The classroom door is 96 inches tall. The window is 58 inches tall. How much taller is the door than the window? Answer: ______________
  6. 56 + 38 = ? Answer: ______________
  7. A bookshelf is 92 cm tall and a desk is 65 cm tall. How much taller is the bookshelf? Answer: ______________
  8. Max and Max each measure their jump lengths. Max jumps 1 feet. Max jumps 4 feet. How many feet total do both friends jump? Answer: ______________
  9. 24 + 37 = ? Answer: ______________
  10. Sam has 45 crayons in his box. His teacher gives him 32 more crayons for art class. How many crayons does Sam have now? Answer: ______________
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Answer Key & Explanations

Standard Units · Grade 2 · Worksheet 1

  1. A bookshelf is 86 cm tall and a table is 49 cm tall. How much taller is the bookshelf than the table? Answer: 37 Solution: Identify the heights: bookshelf = 86 cm, table = 49 cm. Subtract the table's height from the bookshelf's height: 86 - 49. Subtract the ones place: 6 - 9.
    Full step-by-step solution

    Step 1: Identify the heights: bookshelf = 86 cm, table = 49 cm. Step 2: Subtract the table's height from the bookshelf's height: 86 - 49. Step 3: Subtract the ones place: 6 - 9. Since 6 is smaller than 9, regroup 1 ten from the tens place. 8 tens become 7 tens, and 6 ones become 16 ones. Step 4: Now subtract the ones: 16 - 9 = 7. Step 5: Subtract the tens: 7 - 4 = 3. Step 6: Combine the results: 30 + 7 = 37. The bookshelf is 37 centimeters taller than the table.

  2. A bookshelf is 145 cm tall and a table is 78 cm tall. How much taller is the bookshelf? Answer: 67 Solution: Identify the heights: bookshelf = 145 cm, table = 78 cm. Subtract the table's height from the bookshelf's height: 145 - 78. Subtract the ones place: 5 - 8.
    Full step-by-step solution

    Step 1: Identify the heights: bookshelf = 145 cm, table = 78 cm. Step 2: Subtract the table's height from the bookshelf's height: 145 - 78. Step 3: Subtract the ones place: 5 - 8. Since 5 is smaller than 8, regroup 1 ten from the tens place. 4 tens become 3 tens, and 5 ones become 15 ones. Step 4: Now subtract the ones: 15 - 8 = 7. Step 5: Subtract the tens place: 3 - 7. Since 3 is smaller than 7, regroup 1 hundred from the hundreds place. 1 hundred becomes 0 hundreds, and 3 tens become 13 tens. Step 6: Now subtract the tens: 13 - 7 = 6. Step 7: Subtract the hundreds: 0 - 0 = 0. Step 8: Combine the results: 60 + 7 = 67. The bookshelf is 67 centimeters taller than the table.

  3. A bookshelf is 156 cm tall and a chair is 89 cm tall. How much taller is the bookshelf? Answer: 67 Solution: Identify the heights: bookshelf = 156 cm, chair = 89 cm. Subtract the chair's height from the bookshelf's height: 156 - 89. Subtract the ones place: 6 - 9.
    Full step-by-step solution

    Step 1: Identify the heights: bookshelf = 156 cm, chair = 89 cm. Step 2: Subtract the chair's height from the bookshelf's height: 156 - 89. Step 3: Subtract the ones place: 6 - 9. Since 6 is smaller than 9, regroup 1 ten from the tens place. 5 tens become 4 tens, and 6 ones become 16 ones. Step 4: Now subtract the ones: 16 - 9 = 7. Step 5: Subtract the tens place: 4 - 8. Since 4 is smaller than 8, regroup 1 hundred from the hundreds place. 1 hundred becomes 0 hundreds, and 4 tens become 14 tens. Step 6: Now subtract the tens: 14 - 8 = 6. Step 7: Subtract the hundreds: 0 - 0 = 0. Step 8: Combine the results: 60 + 7 = 67. The bookshelf is 67 centimeters taller than the chair.

  4. Zoe and Zoe each measure their jump lengths. Zoe jumps 3 feet. Zoe jumps 4 feet. How many feet total do both friends jump? Answer: 7 Solution: Add the two jump lengths: 3 feet + 4 feet = 7 feet. Together they jumped 7 feet.
  5. The classroom door is 96 inches tall. The window is 58 inches tall. How much taller is the door than the window? Answer: 38 Solution: Identify the heights: Door = 96 inches, Window = 58 inches. To find how much taller the door is, subtract the window's height from the door's height. Write the subtraction problem: 96 - 58.
    Full step-by-step solution

    Step 1: Identify the heights: Door = 96 inches, Window = 58 inches. Step 2: To find how much taller the door is, subtract the window's height from the door's height. Step 3: Write the subtraction problem: 96 - 58. Step 4: Subtract the ones place: 6 - 8. Since 6 is smaller than 8, regroup 1 ten from the tens place. 9 tens become 8 tens, and 6 ones become 16 ones. Step 5: Now subtract the ones: 16 - 8 = 8. Step 6: Subtract the tens: 8 - 5 = 3. Step 7: Combine the results: 30 + 8 = 38. The door is 38 inches taller than the window.

  6. 56 + 38 = ? Answer: 94 Solution: Add the ones place: 6 + 8 = 14. Write down 4 in the ones place and carry over 1 to the tens place. Add the tens place: 5 + 3 = 8, plus the carried over 1 makes 9.
    Full step-by-step solution

    Step 1: Add the ones place: 6 + 8 = 14. Write down 4 in the ones place and carry over 1 to the tens place. Step 2: Add the tens place: 5 + 3 = 8, plus the carried over 1 makes 9. Step 3: Combine the tens and ones: 90 + 4 = 94. The answer is 94.

  7. A bookshelf is 92 cm tall and a desk is 65 cm tall. How much taller is the bookshelf? Answer: 27 Solution: Identify the heights: bookshelf = 92 cm, desk = 65 cm. Subtract the desk's height from the bookshelf's height: 92 - 65. Subtract the ones place: 2 - 5.
    Full step-by-step solution

    Step 1: Identify the heights: bookshelf = 92 cm, desk = 65 cm. Step 2: Subtract the desk's height from the bookshelf's height: 92 - 65. Step 3: Subtract the ones place: 2 - 5. Since 2 is smaller than 5, regroup 1 ten from the tens place. 9 tens become 8 tens, and 2 ones become 12 ones. Step 4: Now subtract the ones: 12 - 5 = 7. Step 5: Subtract the tens: 8 - 6 = 2. Step 6: Combine the results: 20 + 7 = 27. The bookshelf is 27 centimeters taller than the desk.

  8. Max and Max each measure their jump lengths. Max jumps 1 feet. Max jumps 4 feet. How many feet total do both friends jump? Answer: 5 Solution: Add the two jump lengths: 1 feet + 4 feet = 5 feet. Together they jumped 5 feet.
  9. 24 + 37 = ? Answer: 61 Solution: We are adding 24 and 37. Write the numbers vertically in your mind (or on paper) to align by place value: 24 + 37 Add the digits in the ones column first (rightmost column). Ones column: 4 + 7 = 11.
    Full step-by-step solution

    We are adding 24 and 37. Step 1: Write the numbers vertically in your mind (or on paper) to align by place value: 24 + 37 Step 2: Add the digits in the ones column first (rightmost column). Ones column: 4 + 7 = 11. 11 is a two-digit number, so we split it into 1 ten and 1 one. Step 3: Write down the 1 in the ones place of the answer, and carry over the 1 ten to the tens column. Step 4: Now add the tens column: Tens column: 2 + 3 = 5, plus the carried-over 1 makes 5 + 1 = 6. Step 5: Combine the tens and ones: Tens digit is 6, ones digit is 1, so the result is 61. Final answer: 61

  10. Sam has 45 crayons in his box. His teacher gives him 32 more crayons for art class. How many crayons does Sam have now? Answer: 77 Solution: Sam starts with 45 crayons He gets 32 more crayons Add the two amounts: 45 + 32 Add the ones place: 5 + 2 = 7 Add the tens place: 40 + 30 = 70 Combine: 70 + 7 = 77 The answer is 77.
    Full step-by-step solution

    Step 1: Sam starts with 45 crayons Step 2: He gets 32 more crayons Step 3: Add the two amounts: 45 + 32 Step 4: Add the ones place: 5 + 2 = 7 Step 5: Add the tens place: 40 + 30 = 70 Step 6: Combine: 70 + 7 = 77 The answer is 77.