Number System

How many hundredths are equivalent to the decimal $0.7$?

What is the number that has a $4$ in the hundreds place, a $5$ in the units place, and a $3$ in the hundredths place, with all other places being zero?

What is the value represented by the digit $5$ in $5,100,000$?

Write 'Two hundred thousand and fifty-six' in figures.

Which decimal is exactly one-tenth more than $0.95$?

What is the value of the digit $9$ in $0.192$?

Compare $1.1$ and $1.099$. Which of the following is true?

In the decimal $0.abc$, if $a$ is the digit in the tenths place, $b$ is in the hundredths, and $c$ is in the thousandths, which is equivalent to $100a + 10b + c$?

Place the following in descending order: $0.4, 0.44, 0.04, 0.404$.

If you decrease $12.394$ by $4$ hundredths, what is the digit in the hundredths place of the result?

Which number is exactly in the middle of $-2$ and $2$?

Find the result of $12 + (-15)$.

Starting at $0$ on a number line, you move $4$ units left, then $2$ units right. Where are you?

Which integer represents 'an increase of $8$ degrees'?

Calculate the result of $(-2) \times 5 \times (-3) \times (-1)$.

A hiker starts at an elevation of $-20$ meters and climbs to $150$ meters. What was the total change in elevation?

What is $10$ units to the left of $-5$ on a number line?

If $x$ is a negative integer, which of the following must be positive?

Evaluate: $(-1) \times (-2) \times (-3) \times 4$.

A stock price was $\$45$. It fell by $\$12$ on Monday, fell by another $\$8$ on Tuesday, and rose by $\$5$ on Wednesday. What is the final price?

What is the smallest prime number?

How many factors does the number $16$ have?

Identify which of these numbers between $30$ and $40$ is a prime number.

What is the smallest prime number greater than $20$?

The product of three different prime numbers is $105$. What is the sum of these three prime numbers?

What is the smallest common multiple of $12$ and $18$ that is greater than $100$?

Find the Lowest Common Multiple (LCM) of $18$ and $24$.

Three people take steps measuring $63$ cm, $70$ cm, and $77$ cm respectively. What is the minimum distance each should walk so that all can cover the same distance in complete steps?

A prime number $x$ is such that $x+2$ and $x+4$ are also prime numbers. What is the value of $x^2$?

What is the smallest positive integer that has four different prime factors?

What is the smallest common multiple of $3$ and $13$?

What is the Highest Common Factor (HCF) of $100$ and $150$?

Find the LCM of $8$ and $14$.

Determine the HCF of $16$ and $40$.

If the Highest Common Factor (HCF) of two numbers $a$ and $b$ is $1$, what is their Lowest Common Multiple (LCM)?

Find the smallest number that leaves a remainder of $2$ when divided by both $5$ and $6$.

Three containers hold $36$ litres, $48$ litres, and $60$ litres of milk. What is the maximum capacity of a measure that can measure the milk in each container an exact number of times?

If the LCM of two numbers is $360$ and their HCF is $15$, which of the following cannot be the sum of the two numbers?

Find the HCF of $2^3 \times 3^2 \times 5$ and $2^2 \times 3^3 \times 5^2$.

What is the smallest number which leaves remainder $2$ when divided by $3$, remainder $3$ when divided by $4$, remainder $4$ when divided by $5$, and remainder $5$ when divided by $6$?

Find the value of $\sqrt[3]{64}$.

Evaluate $\sqrt[3]{1}$.

What is the square root of $100$?

What is the value of $2^2$?

A cube-shaped box has a volume of $512 \text{ cm}^3$. What is the length of one edge?

Calculate $\sqrt{2^2 \times 3^2}$.

If $x^2 = 0.04$, what is the value of $x$?

Find the smallest positive integer $x$ such that both $\sqrt{5x}$ and $\sqrt[3]{2x}$ are integers. What is the value of $\sqrt[3]{x + 12}$?

If $n$ is a number such that $n^2 = 121$, find the value of $(n+1)^2$.

Evaluate $\sqrt{100 - \sqrt{100} + \sqrt[3]{1000}}$.

What is $4.55$ rounded to one decimal place?

Round $0.00098$ to one significant figure.

What is $1,250$ rounded to the nearest $100$?

Round $0.4$ to one significant figure.

Round $56.78$ to three significant figures.

Round $0.0444$ to one decimal place.

Estimate $\sqrt{80}$ by rounding to the nearest whole number.

Round $1.9999$ to three significant figures.

A number $n$ is rounded to $0.06$ to one significant figure. What is the error interval?

Estimate $\frac{4123}{0.082}$ by rounding each to one significant figure.