Number System
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Place value up to millions
SubtopicPlace value up to millions under Number System for Grade 5 IGCSE.
Preview questions (no answers)
- 1.
What is the value of the digit in ?
A.B.C.D. - 2.
How is the number read?
A.One million, ten thousand, ten
B.One million, one hundred thousand, ten
C.One million, one thousand, ten
D.Ten million, ten thousand, ten
- 3.
Identify the digit in the millions place of .
A.B.C.D. - 4.
What is the standard form of ?
A.B.C.D. - 5.
What is the place value of the digit in the number ?
A.Thousands
B.Ten thousands
C.Hundred thousands
D.Tens
- 6.
If the digit in the number is multiplied by , its new value will be in which place?
A.Ten thousands
B.Hundred thousands
C.Millions
D.Billions
- 7.
Round the number to the nearest hundred.
A.B.C.D. - 8.
A number is composed of millions, thousands, and tens. What is the number in standard form?
A.B.C.D. - 9.
Which of the following is the greatest value?
A.ten-thousands
B.million
C.D.tens
- 10.
In the number , what is the value of the digit in the th position from the right?
A.B.C.D.
Download the worksheet for Number System - Place value up to millions to practice offline. It includes additional chapter-level practice questions.
Negative numbers in context
SubtopicNegative numbers in context under Number System for Grade 5 IGCSE.
Preview questions (no answers)
- 1.
If a score in a game goes from to , how many points were lost?
A.B.C.D. - 2.
A ship is at sea level ( meters). It drops an anchor meters down. What integer represents the anchor's position?
A.B.C.D. - 3.
Which of these temperatures is warmer than ?
A.B.C.D. - 4.
A student has points on a behavior chart. If the teacher adds points for good work, what is the new total?
A.points
B.points
C.points
D.points
- 5.
Which mathematical statement is true?
A.B.C.D. - 6.
If a bird is at meters and a worm is at meters, how far does the bird have to dive to reach the worm?
A.meters
B.meters
C.meters
D.meters
- 7.
What is the result when you subtract from ?
A.B.C.D. - 8.
A skyscraper has 40 floors above ground and 5 floors below ground (basements). If the ground floor is floor , and the floors go from down to , how many floors are there in total (assuming floor is the only ground floor)?
A.B.C.D. - 9.
Saltwater freezes at approximately . If a sample of saltwater is currently at , how many degrees must it be warmed to reach its freezing point?
A.B.C.D. - 10.
In a league, Team A has points due to penalties, and Team B has points. How many points must Team A earn to have the same score as Team B?
A.points
B.points
C.points
D.points
Download the worksheet for Number System - Negative numbers in context to practice offline. It includes additional chapter-level practice questions.
Rounding to the nearest 10, 100, 1000, 10,000
SubtopicRounding to the nearest 10, 100, 1000, 10,000 under Number System for Grade 5 IGCSE.
Preview questions (no answers)
- 1.
What is rounded to the nearest ?
A.B.C.D. - 2.
Round the number to the nearest .
A.B.C.D. - 3.
What is rounded to the nearest ?
A.B.C.D. - 4.
Round the number to the nearest .
A.B.C.D. - 5.
A warehouse stores boxes of supplies. What is this number rounded to the nearest ?
A.B.C.D. - 6.
What is rounded to the nearest ?
A.B.C.D. - 7.
Round to the nearest .
A.B.C.D. - 8.
If rounds to to the nearest and rounds to to the nearest , what is the smallest possible value for the sum ?
A.590
B.600
C.595
D.580
- 9.
What is the smallest whole number that rounds to when rounded to the nearest , to the nearest , and to the nearest ?
A.995
B.950
C.500
D.990
- 10.
A whole number rounded to the nearest is . If is rounded to the nearest , the result is . Which of the following could be ?
A.40
B.38
C.42
D.35
Download the worksheet for Number System - Rounding to the nearest 10, 100, 1000, 10,000 to practice offline. It includes additional chapter-level practice questions.
Prime numbers, factors, and multiples
SubtopicPrime numbers, factors, and multiples under Number System for Grade 5 IGCSE.
Preview questions (no answers)
- 1.
Which prime number is found between and ?
A.B.C.D. - 2.
Which of these numbers is a multiple of ?
A.B.C.D. - 3.
If you multiply any whole number by , the result will always be a multiple of...
A.B.C.D. - 4.
Which of these is a factor of ?
A.B.C.D. - 5.
Which of these is the prime factorization of ?
A.B.C.D. - 6.
I am a number between and . I am a multiple of and also a factor of . What number am I?
A.B.C.D. - 7.
How many factors does the number have?
A.B.C.D. - 8.
What is the sum of the prime numbers between and ?
A.B.C.D. - 9.
If and are two different prime numbers, how many factors does the product have?
A.B.C.D. - 10.
What is the smallest number that has as factors?
A.B.C.D.
Download the worksheet for Number System - Prime numbers, factors, and multiples to practice offline. It includes additional chapter-level practice questions.
Square and cube numbers
SubtopicSquare and cube numbers under Number System for Grade 5 IGCSE.
Preview questions (no answers)
- 1.
Find the total of .
A.6
B.10
C.14
D.18
- 2.
Find the square of .
A.1
B.0
C.10
D.100
- 3.
What is divided by ?
A.5
B.20
C.50
D.100
- 4.
Calculate .
A.100
B.125
C.0
D.75
- 5.
Calculate the value of .
A.16
B.32
C.48
D.64
- 6.
Which of these results is equal to ?
A.225
B.215
C.125
D.255
- 7.
Find the sum of and .
A.125
B.121
C.123
D.127
- 8.
How many square numbers are factors of 100?
A.2
B.3
C.4
D.5
- 9.
Calculate the sum of the first five square numbers.
A.45
B.50
C.55
D.60
- 10.
Find the value of if .
A.12
B.144
C.7
D.25
Download the worksheet for Number System - Square and cube numbers to practice offline. It includes additional chapter-level practice questions.
Numbers and Sequences
SubtopicNumbers and Sequences under Number System for Grade 5 IGCSE.
Preview questions (no answers)
- 1.
Which of these numbers is the largest?
A.B.C.D. - 2.
What is the missing number: ?
A.B.C.D. - 3.
Round to the nearest .
A.B.C.D. - 4.
What is the value of the digit in ?
A.B.C.D. - 5.
What is the sum of the first three square numbers?
A.B.C.D. - 6.
How many s are there in ?
A.B.C.D. - 7.
Which of these numbers is a multiple of ?
A.B.C.D. - 8.
A number is such that . What is the value of ?
A.B.C.D. - 9.
If you multiply by , what is the result?
A.B.C.D. - 10.
How many integers are between and (not including and )?
A.B.C.D.
Download the worksheet for Number System - Numbers and Sequences to practice offline. It includes additional chapter-level practice questions.