Estimating

Types of exercises: estimating the result, is it enough? - estimating.

Exercises are drawn at random from a large bank - every click gives a different set.

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All The four operations Written methods Squares and cubes Order of operations Estimating Division with remainder Prime factorisation Divisibility, GCD and LCM How many numbers have a given property

Solved: 0 of 10

Problem

Is 170 zloty enough for 3 books at 49 zloty each and a pencil case at 33 zloty?

Problem

Which number is closest to 901 − 314?

Problem

Is 180 zloty enough for 2 hoodies at 59 zloty each and a dictionary at 52 zloty?

Problem

Which number is closest to 508 + 303?

Problem

Is 150 zloty enough for 5 caps at 19 zloty each and a dictionary at 59 zloty?

Problem

How many digits does the product 32 · 78 have?

Problem

Is 140 zloty enough for 3 shirts at 37 zloty each and a calculator at 42 zloty?

Problem

Which number is closest to 406 + 309 + 413?

Problem

Is 360 zloty enough for 5 books at 57 zloty each and a globe at 87 zloty?

Problem

Which number is closest to 606 + 412?

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