Tag: maths

Quizzes (518) Questions (9324)

Questions Related to maths

Multiple choice maths 5-digit numbers expanded form introduction to numbers and number systems numbers in general form

Find the numbers which are not in generalised form.

  1. $5 \times 100 + 6 \times 10 + 0$
  2. $2 \times 10 + 3 \times 10 + 1$
  3. $3 \times 100 + 2 \times 100 + 2$
  4. $2 \times 10 + 2$
Reveal answer Fill a bubble to check yourself
B,C Correct answer
Explanation

The general form of any three digit number is, $abc = a \times 100 + b \times 10 + c$
Here, $2 \times 10 + 3 \times 10 + 1$ and $3 \times 100 + 2 \times 100 + 2$ are not in generalised form.


So, options B and C are correct.

Multiple choice maths 5-digit numbers expanded form introduction to numbers and number systems numbers in general form

Choose the correct option which are in general form.

  1. $200 \times 4 + 10 \times 1 - 3$
  2. $1 \times 100 + 2 \times 10 + 3$
  3. $4 \times 100 + 3 \times 10 + 8$
  4. $12 \times 100 + 5 + 2 \times 10$
Reveal answer Fill a bubble to check yourself
B,C Correct answer
Explanation

The general form of any three digit number is, $abc = a \times 100 + b \times 10 + c$
So, $1 \times 100 + 2 \times 10 + 3$ and $4  \times 100 + 3 \times 10 + 8$ are in general form.


So, options B and C are correct.

Multiple choice maths 5-digit numbers expanded form introduction to numbers and number systems numbers in general form

Check the option which are in general form.

  1. $6 \times 100 + 4 \times 10 + 0$
  2. $5 \times 100 - 4 \times 10 - 2$
  3. $6 \times 10 + 2 \times 10 + 2$
  4. $7 \times 100 + 9 - 1 \times 20$
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The general form of any three digit number is, $abc = a \times 100 + b \times 10 + c$
So, $6 \times 100 + 4 \times 10 + 0$ is in general form.


So, option A is correct.

Multiple choice maths 5-digit numbers expanded form introduction to numbers and number systems numbers in general form

Find the number in general form: $875$

  1. $8 \times 10 + 7 \times 10 + 5$
  2. $8 \times 100 + 7 \times 10 + 5$
  3. $8 \times 100 + 7 \times 100 + 5$
  4. $8 \times 100 + 7 \times 10 + 50$
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The general form of any three digits numbers is, $abc = a \times 100 + b \times 10 + c$
So, $875 = 8 \times 100 + 7 \times 10 + 5$


So, option B is correct.

Multiple choice maths 5-digit numbers expanded form introduction to numbers and number systems numbers in general form

Determine the number which are not in general form?

  1. $3 \times 10 + 2 + 2 \times 10$
  2. $2 \times 100 + 5 \times 10 + 9$
  3. $2 \times 100 + 2 - 0 \times 10$
  4. $9 \times 100 + 5 \times 10 + 2$
Reveal answer Fill a bubble to check yourself
A,C Correct answer
Explanation

The general form of any three digit number is, $abc = a \times 100 + b \times 10 + c$
Here, $3 \times 10 + 2 + 2 \times 10$ and $2 \times 100 + 2 - 0 \times 10 $ are not in generalised form.


So, options A and C are correct.