Team 1
0
Team 2
0
Teams
Name
Score
1
2
3
4
5
6
7
8
9
10
Loading
×
eraser
Reset score!
Oops!
×
magnet
Take 25 points!
Okay!
×
fairy
Take points!
5
10
15
20
25
×
lifesaver
Give 25 points!
Oops!
15
×
Billy estimated 246 + 585 as 700. Is his estimate high or low?
Low
Oops!
Check
Okay!
Check
15
×
Estimate the sum: 198 + 389
About 600
Oops!
Check
Okay!
Check
15
×
Estimate the sum: 640 + 192
About 850
Oops!
Check
Okay!
Check
15
×
Last year, 227 students signed up for soccer and 139 signed up for volleyball. About how many children signed up all together?
About 350
Oops!
Check
Okay!
Check
15
×
Estimate the sum: 79 + 272
About 350
Oops!
Check
Okay!
Check
15
×
Estimate the sum: 119 + 408
About 500
Oops!
Check
Okay!
Check
15
×
Frank estimate 521 + 82 as 600. Is his estimate high or low?
Low
Oops!
Check
Okay!
Check
15
×
Linh sold 117 Tra Dao and 289 Tra Da. How many teas did she sell?
About 400
Oops!
Check
Okay!
Check
×
seesaw
Swap points!
Oops!
×
magnet
Take 5 points!
Okay!
×
gift
Win 10 points!
Okay!
×
lifesaver
Give 10 points!
Oops!
×
Restart
Review
Join for Free
;
Your experience on this site will be improved by allowing cookies.
Allow cookies
