2x2 Multiplication
The product when you multiply 20 by 30.
What is 600
If you estimate $42 \times 68$ by rounding both numbers UP to $50 \times 70$, your estimated product of $3,500$ is this type of estimate.
What is an overestimate?
The standard number represented by $10^3$
What is 1,000?
The first partial product when setting up 213 x 14 using the standard algorithm (multiplying $213 by the ones digit, 4).
What is 852?
Maya has $25. If she buys a movie ticket for $12 and a box of popcorn for $5, this is how much money she has left.
What is $8?
The product of 12 and 20.
What is 240?
estimation on $312 + 489$
What is 700?
The product of $45 times 10^2.
What is 4,500?
Before multiplying $324$ by the tens digit (2) in 324 times 25, you must place this digit in the ones column of the second row.
What is 0? or placeholder
A school bus holds 48 students. If 4 buses are filled to capacity, this is the total number of students going on the field trip.
What is 192?
Multiplying a dozen by a dozen will give this total.
What is 144?
To ensure you have enough money at the grocery store, you should intentionally use this type of estimation on your total bill.
What is overestimation?
The product when you multiply 3.14 times 10^4.
What is 31,400?
In a partial products box (area model) for 125 times 32, the box representing (100 \times 30) holds this value.
What is 3,000?
A baker makes 130 cookies and packs them into boxes of 12. This is the minimum number of boxes needed to hold all of the cookies.(divide)
What are 11 boxes?
The total you get when you multiply 15 by 15.
What is 225?
The difference between the actual product of $19 x 20$ and its rounded estimate using $20 x 20$.
What is 20?
The product of 10^3 x 10^2, written as a single power of 10.
What is $10^5$ (or 100,000)?
The product of 150 times 12.
What is 1,800?
A soccer practice starts at 4:15 PM and lasts for 1 hour and 45 minutes. This is the exact time practice ends.
What is 6:00 PM?
The product of 23 and 14.
What is 322?
If you round $82$ DOWN to $80$ and round $29$ UP to $30$, estimating $82 - 29$ as $80 - 30 = 50$ results in this type of estimate compared to the actual answer of $53$.
What is an underestimate?
Clue: The missing value in this multiplication pattern:
6 x 10^1 = 60
6 x 10^2 = 600
$6 x 10^3 = 6,000
$6 x 10^? = $600,000
What is the exponent of 5?
The final product of 204 times 15.
What is 3,060?
A rectangular school garden is 15 feet long and 8 feet wide. If wooden fencing costs $3 per foot, this is the total cost to fence the entire perimeter.(Perimeter, not Area)
What is $138?