Operations and Calculations

What is $22$ multiplied by $28$?

Find the value of $15 \times 35$.

Calculate: $41 \times 21$.

What is the result of $26 \times 24$?

A school provides $18$ pencils to each of its $642$ students. How many pencils are provided in total?

Calculate $315 \times 29$.

A grocery store has $82$ crates of melons. Each crate contains $65$ melons. How many melons does the store have?

What is the product of $250$ and $444$?

A square garden has sides of length $144$ meters. What is its total area in square meters?

Calculate $314 \times 159$.

Calculate $194 \div 6$. What is the result?

Find the remainder when $259$ is divided by $8$.

What is the quotient and remainder for $103 \div 3$?

Divide $89$ by $5$ and find the result.

A group of $1,111$ people is divided into teams of $9$. How many people are not in a full team?

Divide $605$ by $24$.

What is the quotient and remainder of $482 \div 15$?

What is the result of $7,654 \div 33$?

Divide $5,050$ by $99$. What is the remainder?

If a certain number is divided by $22$, the quotient is $135$ and the remainder is $7$. What is the number?

Calculate the result of $20 + 10 \div 5$.

What is the result of $4 \times 4 - 6$?

Find the value of $(15 - 5) \div 2$.

Work out the value of $8 + 4 - 2$.

What is the value of $10 + 4^2 \div 2$?

Evaluate the expression: $15 - (3 + 2) \times 2$.

Solve the following: $7 + 5 \times 2^2$.

Evaluate: $(20^2 - 100) \div (5 \times 6) + 11$.

What is the result of $8 \times [2^4 \div (20 - 12)] - 6$?

Evaluate the expression: $[(12 \times 3) - 3^3] \times (20 \div 4)$.

Subtract $75$ from $375$ mentally.

What is $90 + 10$?

Subtract $25$ from $70$ mentally.

What is $199 + 2$?

What is the result of $127 + 49$ if calculated by adding $50$ and subtracting $1$?

Find the difference $560 - 80$ mentally.

Calculate $0.6 + 0.7$ using mental strategies.

Solve $(500 - 125) + (500 - 75)$ mentally.

Calculate $15.5 - 7.75$ mentally by recognizing $7.75$ is half of $15.5$.

Find the difference between $10,000$ and $7,250$ mentally.

A pack of trading cards costs $5$. If Kevin has $23$ and buys $4$ packs, how much money does he have left?

A cyclist travels $8$ km every hour. If she cycles for $3$ hours and then takes a break, how many more kilometers does she need to travel to reach a total of $30$ km?

A light string has $50$ bulbs. If $2$ bulbs are broken and then $5$ more bulbs stop working, how many bulbs are still working?

A scientist had $200$ ml of liquid. She added $50$ ml more, but then $30$ ml evaporated. How much liquid is left?

An office uses $2$ desk lamps, and each lamp is left on for $8$ hours every day. What is the total number of hours the lamps are on during a $7$-day week?

A warehouse has $600$ kg of rice. The rice is packed into $5$ kg bags. If $80$ bags are sold, how many bags of rice are left in the warehouse?

Emily wants to buy a book that costs $\$20$. She saves $\$1.25$ every day. After $10$ days of saving, how much more money does she need to buy the book?

An athlete runs $5.2$ km on Monday, $8.4$ km on Tuesday, and $6.5$ km on Wednesday. What is the average distance she runs per day over these three days?

The temperature at midnight was $-5^\circ$C. By noon, the temperature had risen by $14^\circ$C. By $6$ PM, it had then fallen by $7^\circ$C from the noon temperature. What was the temperature at $6$ PM?

A security light flashes every $8$ seconds and another light flashes every $12$ seconds. If both lights flash together at $10:00:00$, what is the very next time they will flash at the exact same moment?