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错题簿

The document contains a series of mathematical problems involving various scenarios, such as grocery items, water tank capacity, fence length, ages, and animal counts. Each problem requires solving for unknown quantities based on given relationships or totals. The problems cover topics like arithmetic, algebra, and basic counting.

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manning.zhao
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14 views14 pages

错题簿

The document contains a series of mathematical problems involving various scenarios, such as grocery items, water tank capacity, fence length, ages, and animal counts. Each problem requires solving for unknown quantities based on given relationships or totals. The problems cover topics like arithmetic, algebra, and basic counting.

Uploaded by

manning.zhao
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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There are 12 people in a line in

the supermarket, each person has


double the number of grocery
items person in front of them. If
the first person has only one item,
how many items do all the
customers buy?
The rain tank was nearly full. After
half had been used, the rain fell,
and 200L was added to the tank.
There is now 600 L in the tank.
How much water was there in the
tank?
Jack is building a fence. The
distance between each post is
2.5 metres. He uses 9 posts.
How long is the fence?
The total age of Marcia and her
father is 38 years. When you take
Marcia's age from her father's
age, the difference is a score of
years. How old are Marcia and her
father?
Ben has 11 marbles. Harry has 5
times as many Bens. How many
marbles do they have altogether?

In the paddock, I counted legs 38.


I counted heads - 12. If there were
people and cattle in the paddock.
How many people were working
the cattle?
Grandma is 51 years older than
young Tom. When you add Tom's
age to his grandma's age, the
total is 66 years. How old are
each of them?

When Felix divided the bag of


coffee beans into 2 kg bags, he
ended up with 9 bags. How much
was there to start with?
When Felix divided the bag of
coffee beans into 4.5 kg bags, he
ended up with 9 bags. How
much was there to start with?
A shopkeeper had the chance of
buying 100 pens at 20c each or
the same number at 10 for $2.15.
He chose the cheaper deal. How
much less was this than the more
expensive deal ?
Brad planted a tree years ago. It
was only 0.8 metres tall when he
planted it. It grew 0.05 metres
each year. How tall is it now?

An old lady has two cats, twice as


many dogs and seven times as
many chickens as there are cats
and dogs, Altogether, how many
animals has she have ?

How many ml has been poured


from the jug if it was filed to
the top line?

Jane saw some dogs and pigeons


in the park. If she counted 14 legs
altogether, how many pigeons
were there?(1, 2, 3, 4)

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