Students correct three place value identification errors — a digit in the wrong position and its value misstated. Part B has four questions identifying place names and values in six- and seven-digit numbers. Part C has two questions about the value of a digit and building a number from place descriptions.
Correcting place value identification errors — where students miscount positions or confuse a digit with its value — builds the accurate positional understanding students need for all large-number work.
Style:
Place Value & Powers of 10
Part A: Fix the Sentence
Each sentence has an error. Rewrite it correctly on the line.
1. Fix the sentence:
In 4,536,271 the digit 3 is in the hundred-thousands place.
Rewrite: In 4,536,271 the digit 3 is in the ten-thousands place, not the hundred-thousands place.
2. Fix the sentence:
The value of the 7 in 870,432 is 7,000.
Rewrite: The value of the 7 in 870,432 is 70,000 because the 7 is in the ten-thousands place.
3. Fix the sentence:
In 2,915,680 the digit in the millions place is 9.
Rewrite: In 2,915,680 the digit in the millions place is 2. The 9 is in the hundred-thousands place.
Part B: Fill in the Blank
Write the missing word or number on each line.
1. In 6,482,305 the digit 4 is in the hundred-thousands place.
2. The value of the 8 in 385,120 is 80,000.
3. In 1,209,754 the digit in the ten-thousands place is 0.
4. 5,000,000 + 30,000 + 200 + 7 in standard form is 5,030,207.
Part C: Short Answer
Answer each question in one or two complete sentences.
1. What is the value of the digit 6 in 2,645,000? Explain how you know.
The 6 is in the hundred-thousands place, so its value is 600,000.
2. A number has a 9 in the millions place and a 3 in the ten-thousands place. All other digits are 0. What is the number?
The number is 9,030,000.
Place Value & Powers of 10
★ Part A: Fix the Sentence
Each sentence has an error. Rewrite it correctly on the line.
1) Fix the sentence:
In 4,536,271 the digit 3 is in the hundred-thousands place.
Rewrite: In 4,536,271 the digit 3 is in the ten-thousands place, not the hundred-thousands place.
2) Fix the sentence:
The value of the 7 in 870,432 is 7,000.
Rewrite: The value of the 7 in 870,432 is 70,000 because the 7 is in the ten-thousands place.
3) Fix the sentence:
In 2,915,680 the digit in the millions place is 9.
Rewrite: In 2,915,680 the digit in the millions place is 2. The 9 is in the hundred-thousands place.
★ Part B: Fill in the Blank
Write the missing word or number on each line.
1) In 6,482,305 the digit 4 is in the hundred-thousands place.
2) The value of the 8 in 385,120 is 80,000.
3) In 1,209,754 the digit in the ten-thousands place is 0.
4) 5,000,000 + 30,000 + 200 + 7 in standard form is 5,030,207.
★ Part C: Short Answer
Answer each question in one or two complete sentences.
1) What is the value of the digit 6 in 2,645,000? Explain how you know.
The 6 is in the hundred-thousands place, so its value is 600,000.
2) A number has a 9 in the millions place and a 3 in the ten-thousands place. All other digits are 0. What is the number?
The number is 9,030,000.
Ready to Practice?
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9 Questions
15-20 minutes
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