🔢 Number: 487
📝 In words: ____________
Reading numbers to 1,000: Understanding and expressing three-digit numbers using proper place value and number words.
- Identify the place value of each digit
- Read the hundreds place first
- Read the tens and ones places together
- Combine with proper connectors
4 is in the hundreds place, 8 is in the tens place, 7 is in the ones place
"Four hundred" - read the digit in the hundreds place followed by "hundred"
"eighty-seven" - read the tens and ones digits together
Put it all together: "four hundred eighty-seven"
487 = Four Hundred Eighty-Seven
• Hyphens: Use hyphens between tens and ones (twenty-one, thirty-two)
• Spaces: Use spaces between hundreds and tens (four hundred eighty-seven)
• Capitalization: Capitalize the first word of a sentence
🔢 Number: 105
📝 In words: ____________
Special case: Numbers with zeros in the tens place require careful attention to avoid skipping the tens entirely.
1 is in the hundreds place, 0 is in the tens place, 5 is in the ones place
When the tens place is zero, skip it and go directly to the ones place
"One hundred" - read the digit in the hundreds place followed by "hundred"
"five" - read the digit in the ones place
105 = One Hundred Five
• Zeros: Skip zeros in the tens place when writing in words
• Connectors: Use spaces to separate hundreds from ones
• Completeness: Include all non-zero place values
🔢 Number: 999
📝 In words: ____________
Maximum three-digit number: 999 is the largest three-digit number before reaching 1,000.
9 is in the hundreds place, 9 is in the tens place, 9 is in the ones place
"Nine hundred" - read the digit in the hundreds place followed by "hundred"
"ninety-nine" - read the tens and ones digits together with a hyphen
Put it all together: "nine hundred ninety-nine"
999 = Nine Hundred Ninety-Nine
• Maximum value: 999 is the highest number before 1,000
• Hyphens: Use hyphens between tens and ones (ninety-nine)
• Completeness: Include all place values even when they're the same
Place value: The value of a digit based on its position in the number
Standard form: Writing numbers using digits (123)
Word form: Writing numbers using words (one hundred twenty-three)
Expanded form: Breaking apart by place value (100 + 20 + 3)
- Identify place values: Determine what each digit represents
- Start with hundreds: Read the hundreds digit first
- Handle tens and ones: Read tens and ones together
- Combine with connectors: Use appropriate spaces and hyphens
• Numbers 21-99 use hyphens (twenty-one, thirty-three)
• Use spaces to separate hundreds from tens and ones
• Zeros in the tens place are skipped in word form
• Capitalize the first word of a sentence
• Spell numbers correctly and completely
🔢 Number: 503
📝 In words: ____________
Special case: Numbers with zeros in the tens place require careful attention to avoid skipping the tens entirely.
5 is in the hundreds place, 0 is in the tens place, 3 is in the ones place
When the tens place is zero, skip it and go directly to the ones place
"Five hundred" - read the digit in the hundreds place followed by "hundred"
"three" - read the digit in the ones place
503 = Five Hundred Three
• Zero in tens: Skip zeros in the tens place when writing in words
• Direct connection: Go from hundreds directly to ones when tens is zero
• Completeness: Include all non-zero place values
🔢 Number: 742
📝 In words: ____________
Standard three-digit number: Numbers with no zeros in any place value require complete word forms.
7 is in the hundreds place, 4 is in the tens place, 2 is in the ones place
"Seven hundred" - read the digit in the hundreds place followed by "hundred"
"forty-two" - read the tens and ones digits together with a hyphen
Put it all together: "seven hundred forty-two"
742 = Seven Hundred Forty-Two
• Complete form: Include all place values
• Hyphens: Use hyphens between tens and ones (forty-two)
• Spacing: Use spaces to separate hundreds from tens
Number range: From 1 to 999, inclusive of all three-digit numbers
Place value system: Each position represents increasing powers of 10
Number families: Units (1-9), Teens (10-19), Tens (20-90), Hundreds (100-999)
- Read the number: Look at each digit and its position
- Identify place values: Determine hundreds, tens, and ones
- Convert each part: Write each place value in word form
- Combine: Put all parts together with proper spacing and hyphens
• Numbers 21-99 use hyphens between tens and ones
• Include "hundred" after hundreds digits
• Skip zeros in the tens place when they don't affect pronunciation
• Spell numbers correctly and completely
• Understand the transition from 999 to 1,000
Number Reading Guide
Units: 1-9 (one, two, three... nine)
Teens: 10-19 (ten, eleven, twelve... nineteen)
Tens: 20-99 (twenty, thirty, forty... ninety-nine)
Hundreds: 100-999 (one hundred... nine hundred ninety-nine)
Start with 1-9 (units)
Move to 10-99 (teens and tens)
Advance to 100-999 (hundreds)
Master all ranges
Are hyphens used correctly?
Is spelling accurate?
Are place values properly identified?