Place Value
Compare the following numbers:
245 ___ 244
245 > 244
Round 13,500 to the nearest ten thousand.
10,000
Write the following number in ALL forms of math: standard, written, expanded.
43,780
Standard: 43,780
Expanded: 40,000 + 3,000 + 700 + 80
Written: Forty three thousand, seven hundred and eighty
Compare the following numbers:
3,454 ___ 4,875
3,454 < 4,875
965-745
220
Besides just looking at the numbers, what is another strategy to help you compare numbers?
Line up method.
Round 649,418 to the nearest:
ten: ____
hundred: ____
thousand: ____
ten: 649,420
hundred: 649,400
thousand: 649,000
What does it mean to estimate ?
Estimate means a way of calculating an answer (getting a 'rough answer') or to check its accuracy (the 'right answer').
Define each symbol.
< , >, =
< : Less than
> : Greater Than
= : Equal to
Name at least 2 methods on how to add and subtract.
Possible answers:
- Standard Algorithm
- Line up
- Dots
- Base ten blocks
Martha has a collection of twenty thousand, six hundred, forty-three beads. What is this number written in expanded form?
20,000 + 600 + 40 + 3
Using the number line strategy, compare the following numbers and round to the nearest ten thousand:
117,290
Answers will vary. Check with Mrs. Collins
Mr. Chen writes the following comparison on the board:
96, 341 < _ _ , _ _ _
Use the digits below to find a number that makes the comparison true.
2 3 5 6 9
Answers will vary.
Choose 2 six-digit numbers. Use symbols to write comparison statements.
Answers will vary
Give me an example of an OPERATION.
Adding or subtracting is an operation.
Show 357,890 in a different way.
For example:
357,980 = 357,890 ONES
Possible Answers:
- 357 thousands + 8 hundreds + 9 tens + 0 ones =
- 35,789 tens
Round 402,053 to the nearest:
Hundred thousand:
Ten thousand:
Thousand:
Hundred:
Hundred thousand: 400,000
Ten thousand: 400,000
Thousand: 402,000
Hundred: 402,100
Amir and James are collecting pennies for a fundraiser. Amir collected 389 pennies on Monday and 293 pennies on Tuesday. James collected 450 pennies on Monday and 184 pennies on Tuesday. Which boy has collected more pennies so far? How many more does he have?
Amir collected more pennies than James.
48 pennies.
Use comparison symbols to answer the following statements.
1. 8,035 ___ 894
2. 62,999 ___ 63,000
3. 142,073 ___ 143,750
4. 501,348 ___ 500,348
1. 8,035 > 894
2. 62,999 < 63,000
3. 142,073 < 143,750
4. 501,348 > 500,348
124,783 + 96,547.
Show both an estimation to the nearest THOUSAND and the solution statement.
Estimation: 125,000 + 97,000 = 222,000
The sum is 221,330
What number has 53 ones, 20 hundreds, 70 tens, and 10 ten thousands?
102,753
Round to the nearest HUNDREDTH.
465.189
465.19
Mr. Mendez writes the following comparison on the board:
706,532 > 706, _ _ _
Using the digits, 3, 5, 7, or 9 only once each to write a number that makes this comparison true.
Answers will vary.
Compare the following number:
7,867.12 ___ 7,867.35
7,867.12 < 7,867.35
567.18 - 435.15
132.03