Rounding
Round 4,312 to the nearest 10.
4,310
Which is greater: 3,205 or 3,250? Use a symbol (<, >, =)
3,205 < 3,250
Write the number word for 1,024.
One thousand, twenty four
In the number 372, what is the value of the digit 3?
300
A ribbon is 48 cm long. Another ribbon is 27 cm long. How many centimeters long are both ribbons together?
75 cm
Round 3,768 to the nearest 100.
3,800
Compare 4,089 and 4,908 using >, <, or =. Which digit tells you first.
4,089 < 4,908
The hundreds digit tells you first.
Write 3,507 in expanded form
3,000 + 500 + 7
What is the value of the digit 5 in the number 541
500
Lily measured a board that is 86 cm. She cut off 39 cm. How much of the board is left?
47 cm
Round 5,445 to the nearest 10 and to the nearest 100
5,450
5,400
Put these numbers in order from least to greatest: 2,499; 2,949; 2,494
2,494; 2,499; 2,949
Write the number 4,209 in word form and standard form.
Four thousand, two hundred nine
Write the three-digit number that has 7 hundreds, 2 tens, and 9 ones.
729
A garden row is 125 cm long. Peter adds another piece that is 78 cm. What is the total length now?
203 cm
Explain why 2,345 rounds to 2,300 when rounding to the nearest 100.
Look at the hundreds digit (3), then look at the place to the right (tens). It is less than 5, so we let it rest.
Compare using a symbol: 7,123 ___ 7,132. Explain which digit shows the difference.
7,123 < 7,132
The tens digit shows the first difference.
Write 2,316 in expanded form and word form
2,000 + 300 + 10 + 6
Two thousands, three hundred sixteen
In 806, which digit shows how many tens are in the number? What is its place value?
0 tens and it has no value
Sam has 243 cm of fabric. He uses 117 cm to make a curtain and 56 cm to make a pillow cover. How much fabric remains?
70 cm
Round 6,749 to the nearest 10 and nearest 100. Show which digit you used to decide each rounding and why.
6,750
6,700
We used the 7, 4, and 9.
Which is greater: 6,789 or 6,798? Explain by comparing thousands, hundreds, tens, and ones step by step.
6,789 < 6,798
Thousands are both 6, hundreds are both 7, tens are a 8 and a 9, ones are a 9 and 8.
Write 7,324 in standard form, expanded form, and word form
7,324
7,000 + 300 + 20 + 4
Seven thousand, three hundred twenty four
Explain the difference in value between the digit 6 in 624 and the digit 6 in 264.
624 is 600. 264 is 60.
A teacher has three strips of paper: 64 cm, 89 cm, and 47 cm. She needs exactly 200 cm for a bulletin border. Can she make 200 cm by adding the strips together?
Yes, the teacher would have exactly 200 cm.