Review for CCA2, Quarter 2

Front

What is change in money?

Back

Change is the amount of money returned to a buyer after they pay for a purchase, calculated by subtracting the total cost from the amount given.

Front

How do you determine if a number is odd or even?

Back

A number is odd if the digit in the ones place is odd (1, 3, 5, 7, 9). A number is even if the digit in the ones place is even (0, 2, 4, 6, 8).

Front

What is multiplication?

Back

Multiplication is a mathematical operation where a number is added to itself a certain number of times. For example, 5 x 4 means adding 5 four times: 5 + 5 + 5 + 5 = 20.

Front

How do you solve a word problem involving division?

Back

Identify the total amount and how many groups you want to divide it into. Use the equation: Total ÷ Number of groups = Amount in each group.

Front

What is the equation to find the total number of items?

Back

The equation is: Total = Number of groups x Amount in each group.

Front

How do you add two numbers together?

Back

To add two numbers, combine their values. For example, 296 + 459 = 755.

Front

What is a mathematical equation?

Back

A mathematical equation is a statement that two expressions are equal, often containing numbers, variables, and operations.

Front

How do you find the total number of chairs if you know the number of tables?

Back

If the number of chairs is 7 times the number of tables, use the equation: Total chairs = Number of tables x 7.

Front

What is the importance of understanding place value?

Back

Place value helps us understand the value of digits in a number based on their position. For example, in 523, the 5 is in the hundreds place, meaning it represents 500.

Front

What is the process of solving a multi-step word problem?

Back

Break the problem into smaller parts, solve each part step by step, and combine the results to find the final answer.