operations on decimal numbers

Front

What is a decimal number?

Back

A decimal number is a number that includes a decimal point, which separates the whole number part from the fractional part.

Front

How do you add decimal numbers?

Back

Align the decimal points and add as you would whole numbers, placing the decimal point in the answer directly below the other decimal points.

Tags

CCSS.5.NBT.B.7

Front

What is the rule for multiplying decimal numbers?

Back

Multiply the numbers as if they were whole numbers, then count the total number of decimal places in both numbers and place the decimal point in the product accordingly.

Tags

CCSS.5.NBT.B.7

Front

How do you divide decimal numbers?

Back

Move the decimal point in the divisor to make it a whole number, then move the decimal point in the dividend the same number of places and divide as usual.

Tags

CCSS.5.NBT.B.6

CCSS.6.NS.B.2

Front

What is the value of 0.1 in fraction form?

Back

0.1 is equal to 1/10.

Tags

CCSS.4.NF.C.6

Front

Convert 350 m to kilometers.

Back

350 m = 0.35 km.

Tags

CCSS.2.MD.A.2

Front

What is the result of 55.78 + 4.6?

Back

The result is 60.38.

Tags

CCSS.6.NS.B.3

Front

What is 25.2 ÷ 4?

Back

The result is 6.3.

Tags

CCSS.5.NBT.B.7

Front

How many decimal places are in the number 2.52?

Back

There are two decimal places in the number 2.52.

Tags

CCSS.5.NBT.A.3A

Front

What is the product of 0.73 and 2.52?

Back

The product is 1.8386.

Tags

CCSS.6.NS.B.3