Math
Reading
Become a Member
Log In
{{gems}}
{{level}}
Get {{goal}} correct
Grow it!
Try getting this one wrong to see what happens.
Great!
Super!
Amazing!
Sorry, that's incorrect. Here's an explanation.
Next problem!
Ok, this is some serious celebrating! Object will be promoted
{{fishingGems}}
x
1
{{compliment}}
Sorry, that's incorrect. Here's an explanation.
Next problem!
Great work!
You earned {{fishingGems}} gems.
Leave?
You
{{challengerName}}
You tied!
You win!
You lose!
Sorry, that's incorrect. Here's an explanation.
Next!
Great work!
You earned {{fishingGems}} gems.
Leave?
Click on the monster parts to create your own monster
You have {{gems}} gems to spend.
You don't have enough gems to buy that
10
50
100
350
450
700
Level {{level}}
{{levelProgressToShow}} out of {{numToCompleteLevel(level)}}.
Create an account to save your progress
Made by graduates of Stanford, Harvard and Berkeley.
Used by over 1 million students in the United States.
Real learning, real fun.
Please enter a valid email address
Sign up
Done
Watch a video to learn "Estimation using multiplication"
Close
Preview: Estimation using multiplication Worksheet
×
Print this worksheet
and 20,000 more!
Become a member
Estimate the product of the equation below by rounding each number to the tens place.
71 × 18 =
Check
Explain
Round off each number to the tens. Then perform the math function to estimate the result
418 × 365 =
Check
Round off each number to the tens. Then perform the math function to estimate the result
33 × 10 =
Check
Round off each number to the tens. Then perform the math function to estimate the result
716 × 329 =
Check
Round off each number to the tens. Then perform the math function to estimate the result
932 × 762 =
Check
Round off each number to the tens. Then perform the math function to estimate the result
40 × 16 =
Check
Round off each number to the tens. Then perform the math function to estimate the result
76 × 67 =
Check
Round off each number to the tens. Then perform the math function to estimate the result
47 × 41 =
Check
Round off each number to the tens. Then perform the math function to estimate the result
866 × 201 =
Check
Round off each number to the tens. Then perform the math function to estimate the result
448 × 290 =
Check
Round off each number to the tens. Then perform the math function to estimate the result
826 × 311 =
Check
Round off each number to the tens. Then perform the math function to estimate the result
553 × 140 =
Check
Round off each number to the tens. Then perform the math function to estimate the result
756 × 534 =
Check
Round off each number to the tens. Then perform the math function to estimate the result
745 × 732 =
Check
Round off each number to the tens. Then perform the math function to estimate the result
65 × 46 =
Check
Round off each number to the tens. Then perform the math function to estimate the result
94 × 19 =
Check
Round off each number to the tens. Then perform the math function to estimate the result
86 × 79 =
Check
Round off each number to the tens. Then perform the math function to estimate the result
40 × 38 =
Check
Round off each number to the tens. Then perform the math function to estimate the result
89 × 29 =
Check
Round off each number to the tens. Then perform the math function to estimate the result
72 × 59 =
Check
Level limit reached - please become a member to continue
Created by graduates of Stanford, Harvard and Berkeley.
Used by over 1 million students in the United States.
Real learning, real fun.