Problem Solving
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Choosing the appropriate operation for word problems
SubtopicChoosing the appropriate operation for word problems under Problem Solving for Grade 3 IGCSE.
Preview questions (no answers)
- 1.
If one cat has paws, how many paws do cats have?
A.B.C.D. - 2.
A class has boys and girls. What is the total number of students?
A.Addition
B.Subtraction
C.Multiplication
D.Division
- 3.
A pack of gum has pieces. If you share it with friends, how many pieces each?
A.B.C.D. - 4.
There are fish in a tank. If fish are moved to another tank, how many are left?
A.B.C.D. - 5.
A market has pears. If the seller puts them into bags of pears each, how many bags will he have?
A.70
B.50
C.6
D.5
- 6.
A bus starts with passengers. At the first stop, more people get on. At the second stop, people get off. How many passengers are on the bus now?
A.28
B.37
C.46
D.24
- 7.
There are pairs of shoes in a closet. How many individual shoes are there in total?
A.16
B.12
C.28
D.7
- 8.
A pack of index cards is shared equally among students. If each student then uses cards for a project, and we realize the students need more, how many cards did each student start with before using them?
A.B.C.D. - 9.
A pattern has rows of dots. If dots are erased, how many dots are left in the pattern?
A.B.C.D. - 10.
A large box contains pens. A teacher takes packs of pens out of the box. How many pens are still in the box?
A.B.C.D.
Download the worksheet for Problem Solving - Choosing the appropriate operation for word problems to practice offline. It includes additional chapter-level practice questions.
Developing mental strategies for calculation
SubtopicDeveloping mental strategies for calculation under Problem Solving for Grade 3 IGCSE.
Preview questions (no answers)
- 1.
What is ?
A.B.C.D. - 2.
To add , you can add to and then more. What is the result?
A.B.C.D. - 3.
What is less than ?
A.B.C.D. - 4.
What is ?
A.B.C.D. - 5.
Calculate by doubling . What is the answer?
A.B.C.D. - 6.
Subtract mentally by counting back in tens. How many steps of ten do you take?
A.steps
B.steps
C.steps
D.steps
- 7.
What is added mentally?
A.B.C.D. - 8.
If you double a number and the answer is , what is half of the original number?
A.B.C.D. - 9.
Find the missing value: .
A.B.C.D. - 10.
What number is less than the product of and ?
A.B.C.D.
Download the worksheet for Problem Solving - Developing mental strategies for calculation to practice offline. It includes additional chapter-level practice questions.
Explaining methods and reasoning
SubtopicExplaining methods and reasoning under Problem Solving for Grade 3 IGCSE.
Preview questions (no answers)
- 1.
Which of these is the best way to solve ?
A.Counting back times
B.Counting up from to
C.Using a calculator only
D.Adding and
- 2.
How many months are in years? How do you calculate it?
A., by adding
B., by doing
C., by doing
D., because it is one year
- 3.
If you round to the nearest , why is the answer ?
A.Because the ones digit () is or more
B.Because is closer to
C.Because is a bigger number
D.Because all numbers round to
- 4.
Which value is the same as tens and ones?
A.B.C.D. - 5.
A student says that of is . How can they prove this using division?
A.By showing that
B.By showing that
C.By showing that
D.By showing that
- 6.
To solve , why can you think of it as double and then double again?
A.Because
B.Because is , so multiplying by is the same as multiplying by twice
C.Because it is easier to add than multiply
D.Because is a quarter of
- 7.
In a tally chart, what does a diagonal line across four vertical lines represent?
A.The number
B.The number , making it easier to count in groups
C.An error in the counting
D.The end of the chart
- 8.
A clock shows . Why is the hour hand exactly halfway between the and the ?
A.Because minutes is half of an hour ( minutes).
B.Because the minute hand is on the .
C.Because and are the numbers shown.
D.Because it is afternoon.
- 9.
Which calculation is the best way to find the total number of legs on spiders (each spider has legs)?
A.B.C.D. - 10.
If you have students and want to form teams of , why can't you have teams?
A.Because , which is more than students.
B.Because .
C.Because is an odd number.
D.Because you would have student left over.
Download the worksheet for Problem Solving - Explaining methods and reasoning to practice offline. It includes additional chapter-level practice questions.