Place Value
Write the number of tens and ones in the number.
708
0 Tens
8 Ones
Round to the nearest ten.
87
90
Use greater than >, less than <, or equal to =.
26 29
26 < 29
2,782 + 5, 246 =
8,028
Difference
Write the number of thousands and the number of hundreds in the number.
4,982
4 Thousands
9 Hundreds
6,249
6,200
Use greater than >, less than <, or equal to =. Read it out loud from left to right.
4,106 4, 016
1,106 > 4,016
What are the three types of ways to add four-digit numbers?
New groups above, new groups below, showing subtotals.
985 - 792 =
193
Write the number in expanded form.
5,621
5,000 + 600 + 20 +1
Round to the nearest thousand.
3, 804
4,000
Use greater than >, less than <, or equal to =.
7,684 7,684
7,684 = 7, 684
Robyns grandmother gave her $38 for her birthday and her uncle gave her $25. How much did Robyn get altogether?
$63
7,000 - 3,264 =
3,736
Write the number in word form.
4, 261, 456
Four million, two hundred sixty-one thousand, four hundred fifty-six
Round to the nearest hundred thousand.
960,013
1,000,000
Use greater than >, less than <, or equal to =. Read it out loud from left to right.
198,593 98,593
198,593 > 98,593
347,092 + 6,739 =
353,831
6,478 - 3,579 =
2,899
Write the number in standard form.
9,000 + 800 + 4
9,804
When you round a number, which digit in the number helps you decide to round up or down? What is the rule?
The neighbor number. The rule is if the neighbor number is 5 or higher you round up. If the neighbor number is 0-4 you round down.
How do you know which number is greater than or less than using place value? Use the example 426>226
The numbers in the ones and tens place are the same. We need to look at the hundreds place, 4 is greater than 2.
Use Mental Math:
154
131
+ 204
179
________
668
A census counted 5,407 people in Marina's home town. If 3,589 are males, how many are females?
1,818 females