Rounding to the nearest 10 and 100
Round 32 to the nearest 10
30
245 ___ 254
245 < 254
Write three thousand, four hundred twenty-one in standard form.
3,421
Write 3,421 in word form.
three thousand four hundred twenty-one
Write 3,421 in expanded form.
3,000 + 400 + 20 + 1
Round 67 to the nearest 10
70
3,421 ___ 3,241
3,421 > 3,241
Write five thousand, sixty-two in standard form.
5,062
Write 5,062 in word form.
five thousand sixty-two
Write 5,062 in expanded form.
5,000 + 60 + 2
Round 145 to the nearest 100
100
5,067 ___ 5,067
5,067 = 5,067
Write seven thousand, four hundred nine in standard form.
7,409
Write 7,409 in word form.
seven thousand four hundred nine
Write 7,409 in expanded form.
7,000 + 400 + 9
Round 392 to the nearest 100
400
6,405 ___ 6,450
6,405 < 6,450
Write six thousand, thirty-five in standard form.
6,035
Write 6,035 in word form.
six thousand thirty-five
Write 6,035 in expanded form.
6,000 + 30 + 5
Mia says 275 rounds to 270 when she rounds it to the nearest 10. Is she correct? Explain
No. 275 rounds to 280 because the ones digit is 5.
Jayden says 3,275 > 3,725 because 5 is greater than 2. Is he correct?
No. Compare from the largest place value from left to right. The thousands are equal, but 2 hundreds < 7 hundreds, so 3,275 < 3,725.
Write eight thousand, seven in standard form AND explain why zeros are needed.
8,007. The zeros hold the hundreds and tens places.
Write 8,007 in word form.
eight thousand seven
Write 8,007 in expanded form
8,000 + 7