Place Value
What is the value of the 4 in 45,372?
40,000
Round 67,489 to the nearest thousand.
67,000
Use <, >, or = to compare: 52,108 ___ 52,180
52,108 < 52,180
3,284 + 1,019 = ?
4,303
A bakery sold 200 cookies. If they sold 100 in the morning, how many were sold in the afternoon?
100 cookies
What number is 10 times greater than 4,000?
40,000
Round 843,927 to the nearest ten thousand.
840,000
Which number is greater: 305,492 or 354,092? Explain how you know.
354,092 is greater because it has a higher digit in the ten-thousands place.
3,826 + 4,197 = ?
8,023
Lily has 435 stickers. She gives 123 to her friends. How many does she have left?
312 stickers
Round 843,927 to the nearest ten thousand.
840,000
Round 682,459 to the nearest ten thousand.
Explain how you know which digit to round and whether you round up or down.
680,000
I looked at the thousands digit, which is 2. Since 2 is less than 5, we round down, keeping the ten-thousands digit at 8 and turning all digits to the right into zeros.
Which number is less than?
46,102 ___ 46,120
46,120 < 46,102
What number added to 3,987 equals 7,000?
3,013
James has 3 boxes of pencils. Each box holds 24 pencils. How many pencils does he have?
72 pencils
The number 684,219 has a 4 in the thousands place.
If we changed the 4 to a 6, what would the new number be?
How would its value change?
686,219
The value increased by 2,000 because the digit in the thousands place changed from 4,000 to 6,000.
A number rounds to 500,000 when rounded to the nearest hundred thousand.
Give one possible number it could be, and explain how you know.
Any number between 450,000 and 549,999 would round to 500,000.
Explain why 380,092 is less than 390,092, even though both have 3 in the hundred thousands and 9 in the ten-thousands.
The thousands digit (8 vs. 9) makes the difference. 380,092 has 8 in the thousands place; 390,092 has 9.
12,500 - 4,738?
7,762
A library has 1,428 books. 684 are fiction. How many are nonfiction?
744 nonfiction books
Compare the value of the digit 7 in these two numbers:
473,928
742,910
The 7 in 742,910 has the greater value because it is in the hundred thousands place = 700,000.
In 473,928, the 7 is in the ten thousands place value = 70,000.
A number rounds to 700,000 when rounded to the nearest hundred thousand. Give one possible number it could be, and explain how you know.
One possible number: 749,999. Explanation: It rounds to 700,000 because the digit in the ten-thousands place is 4 (less than 5). Any number from 650,000 to 749,999.
Which is greater 1,024,057 or 1,023,970? Explain your thinking.
1,024,057 is greater because the digit in the thousands place is 4 vs. 3 in the other number. That place holds more value.
Mia’s total savings goal is 8,000 dollars. She saved 2,578 in a jar, 3,406 in a bank, and 823 from chores. How much more does she need?
Total saved = 2,578 + 3,406 + 823 = 6,807 → 8,000 – 6,807 = 1,193 more needed
A school has 423 students. Each student needs 36 folders. Estimate the total number of folders using rounding. Then find the exact number.
Estimate: 423: 400, 36: 40
400 × 40 = 16,000 folders
Exact: 423 × 36 = 15,228 folders