5th Math Benchmark 1 Review

Front

What is the order of operations in math?

Back

The order of operations is a set of rules that determines the sequence in which calculations are performed. The acronym PEMDAS helps remember the order: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

What is an estimate?

Back

An estimate is a rough calculation or judgment of the value, number, quantity, or extent of something. It is not exact but gives a reasonable approximation.

Front

How do you round a number to the nearest tenth?

Back

To round a number to the nearest tenth, look at the digit in the hundredths place. If it is 5 or greater, round up the tenths place by one. If it is less than 5, keep the tenths place the same.

Front

What is standard form in mathematics?

Back

Standard form is a way of writing numbers using digits. For example, the number 4,080.012 is in standard form.

Front

What does it mean to compare numbers?

Back

To compare numbers means to determine which number is greater, less than, or equal to another number. This can be done using symbols like >, <, and =.

Front

What is the value of the expression 36 + (3×2) ÷ 6?

Back

The value of the expression is 7.

Front

How do you find the total weight of multiple items?

Back

To find the total weight, multiply the weight of one item by the number of items. For example, if one suitcase weighs 47 pounds and there are 98 suitcases, the total weight is 47 × 98.

Front

What is the difference between exact and estimated values?

Back

Exact values are precise measurements or calculations, while estimated values are approximations that are close to the exact value but not necessarily accurate.

Front

What is the significance of the decimal point in numbers?

Back

The decimal point separates the whole number part from the fractional part in a number. It indicates the value of digits to the right of it.

Front

How do you express a number in expanded form?

Back

To express a number in expanded form, break it down into the sum of its place values. For example, 4,080.012 can be expressed as 4,000 + 80 + 0 + 0.01 + 0.002.