4th Grade Math SOL Review

Front

Which number sentence is not true? A. 8 +(13 x 9) = (8 +13) x 9 B. 12 +(8 +15) = (12 +8) +15 C. (21 x 15) x 40 = 21 x (15 x 40) D. 45 +(14 +17) = (14 +45) +17

Back

Statement A is not true. This illustrates the difference between addition and multiplication properties.

Front

What is the difference between 382,046 and 62,781?

Back

The difference is 319,265.

Front

If the digit 7 in the number 473,625 is replaced by the digit 9, how much does the value of the number increase?

Back

The value increases by 20,000.

Front

What are vertices in geometry?

Back

Vertices are the points where two or more lines meet to form a shape.

Front

What is the commutative property of addition?

Back

The commutative property states that changing the order of the addends does not change the sum. For example, 3 + 5 = 5 + 3.

Front

What is the associative property of addition?

Back

The associative property states that the way in which numbers are grouped does not change their sum. For example, (2 + 3) + 4 = 2 + (3 + 4).

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a fraction, such as 2 1/2.

Front

What is a decimal?

Back

A decimal is a way of representing fractions using a point to separate the whole number from the fractional part, such as 0.75.

Front

What is the value of the digit 5 in the number 5,432?

Back

The value of the digit 5 is 5,000.

Front

What is subtraction?

Back

Subtraction is the operation of finding the difference between two numbers.