Benchmark #1 Review

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What is rounding in mathematics?

Back

Rounding is the process of adjusting the digits of a number to make it simpler while keeping its value close to what it was. It often involves increasing or decreasing the number to the nearest place value.

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How do you round a number to the highest place value?

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To round a number to the highest place value, look at the digit immediately to the right of the highest place value. If it is 5 or greater, increase the highest place value by 1. If it is less than 5, keep the highest place value the same and change all digits to the right to zero.

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What is the process to add decimal numbers?

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To add decimal numbers, align the numbers by their decimal points, add each column starting from the right, and carry over if necessary.

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Front

What is a numerical expression?

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How do you compare decimal numbers?

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To compare decimal numbers, align them by the decimal point and compare digit by digit from left to right until you find a difference.

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What does it mean to deposit money in a bank account?

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To deposit money means to add funds to a bank account, increasing the total balance.

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What is a debit in banking?

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A debit is a transaction that subtracts money from a bank account, such as a purchase or withdrawal.

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How do you calculate the total balance in a bank account after deposits and debits?

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To calculate the total balance, add the amount of deposits to the initial balance and then subtract the total amount of debits.

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Front

What is the nearest tenth in rounding?

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The nearest tenth is the first digit to the right of the decimal point. To round to the nearest tenth, look at the digit in the hundredths place.

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Front

What is the significance of place value in rounding?

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Place value determines the value of a digit based on its position in a number. It is crucial for rounding because it helps identify which digit to round.

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