Loading
by BlastRoom
Decide when to estimate and estimate sums or differences by rounding.
#estimating#us_grade_3_math
20 questions
One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
Answer to place stones and capture territory.
Outrun the snow together.
Earn blasts, then hunt the other team.
Answer to earn energy, then climb.
The class blasts through walls together.
Bid on mystery lots. Most money wins.
Sell tours. Nice, standard, or a total scam.
Answer, restock, and serve the rush.
More correct answers pulls the rope your way.
Answer, then shoot down the alien wave.
Answer, then tap to leap the frozen ridge.
At checkout, Maya checks whether $20 covers $3.95 and $1.10. What does she need?
Round each number to the nearest hundred, then add. About how much is 342 + 419?
Which compatible pair estimates 487 + 312, rounded to the nearest hundred?
A cashier gives change from $5 for a $3.42 snack. What does he need?
Round each number to the nearest ten, then add. About how much is 276 + 348?
Priya checks if 412 + 289 pages is about 700 pages. What does she need?
Which compatible pair estimates 692 - 318, rounded to the nearest hundred?
Round each number to the nearest hundred, then subtract. About how much is 763 - 284?
Coach records the total points, 38 + 47, after a game. What does he need?
Which compatible pair estimates 246 + 521, rounded to the nearest ten?
Round each number to the nearest ten, then subtract. About how much is 536 - 219?
Nora checks whether 298 flyers and 401 flyers are about 700 total. What does she need?
Round each number to the nearest hundred, then add. About how much is 158 + 627?
Ava counts tickets sold: 126 morning and 237 afternoon. What does she need?
Which compatible pair estimates 834 - 468, rounded to the nearest ten?
Round each number to the nearest ten, then subtract. About how much is 894 - 247?
Ben wants to know if 583 grams and 214 grams together are about 800 grams. What does he need?
Which compatible pair estimates 357 + 238, rounded to the nearest hundred?
Round each number to the nearest ten, then add. About how much is 428 + 356?
A banker records a deposit of $2.35 and $1.40. What does she need?
Crack the passcode before the zombies get in.
Answer, then swat bugs for bonus points.
Race through questions at your own speed.
Same question on every screen. Fastest wins.
Pick a tile, answer, hit bonuses and steals.
More Than One Whole
20 questions
