5th Grade Math Review

Front

What is the best way to estimate 3.9 + 4.7?

Back

Round 3.9 to 4 and 4.7 to 5, then add: 4 + 5 = 9.

Front

What is the order of operations in math?

Back

The order of operations is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

What is the result of 30 - (6-2) x 4?

Back

14.

Front

How do you find the total number of items on 117 shelves with 25 items each?

Back

Multiply: 117 x 25 = 2,925 items.

Front

How do you round 283 to the nearest hundred?

Back

Look at the tens place (8). Since it's 5 or more, round up to 300.

Front

Which decimal is less than 38.806?

Back

38.086 is less than 38.806.

Front

What is the definition of a decimal?

Back

A decimal is a fraction expressed in a special form, where the denominator is a power of ten.

Front

What does it mean to estimate in math?

Back

Estimating means finding a number that is close enough to the right answer, often by rounding.

Front

What is multiplication?

Back

Multiplication is repeated addition of the same number.

Front

What is the difference between addition and subtraction?

Back

Addition combines numbers to find a total, while subtraction finds the difference between numbers.