# Download 4. ​Change this expanded form using exponents to standard form

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```Name _______________________________
*Due Thursday, September 24th! Monday 1. Standard algorithm: 382 ​
x 74
Date _________________________ 2. Circle the expression that will have the larger product: 26 • 54 45 • 62 3. Choose two methods of multiplication (area model, partial product, distributive property, and standard algorithm and compare AND contrast them (tell what is the same and what is different about the two methods): ____________________________________________________________________________
____________________________________________________________________________
____________________________________________________________________________
____________________________________________________________________________
________ 4. ​
Change this expanded form using exponents to standard form.
5​
4​
2​
1​
0​
(9 x 10​
) + (2 x 10​
) + (7 x 10​
) + (1 x 10​
) + (8 x 10​
)
Standard form: _________________________________
5. ​
The football practice field is 120 yards long and 52 yards wide. If the field has to be covered
with grass before the season starts, how much grass will be needed?
___________________
Tuesday
1.​
Check the 3 expressions that ​
are​
equivalent to 9,000.
_____ 90 hundreds
_____ 900 x 10
_____ 90 x 1,000
4
_____ 9 x 10​
3
_____ 9 x 10​
2. Partial product: 83 • 94
3. Area model: 658 • 27
4. What are the errors in the following problem?
900
+
60
27,000
900
320
240
+ 3
90
12
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
5. Mrs. Moss wants to get a new cover for her iPhone. If her phone is 64 mm long and
22 mm wide, what size cover will she need? __________________________
Wednesday
#1 and 2: Insert the missing numbers
1. 604
x 83
​
_421
+ 4832_
​
_0741
2. 57
x 92
​
1_4
+​
5130
5_44
3. Write the following number in expanded form using exponents.
720,953
Expanded Notation: _____________________________________________________________
4. Mrs. Wyatt wants to lay down new carpet in her office. If her office is 18 ft long and 9 ft
wide, how much carpet will she need? ________________
5. Mrs. Branch loved Mrs. Wyatt’s new carpet so much, that she wanted new carpet for her
office too! If her office is 2 ft shorter in length than Mrs. Waytt’s and 3 ft shorter in width, how
much carpet will Mrs. Branch need? _________________ ```
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