Decimal Models

Front

What is a decimal?

Back

A decimal is a number that includes a decimal point, which separates the whole number part from the fractional part. For example, 0.5 is a decimal.

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Front

What does the term 'place value' mean in decimals?

Back

Place value refers to the value of a digit based on its position in a number. In the decimal number 3.14, the '3' is in the ones place, '1' is in the tenths place, and '4' is in the hundredths place.

Tags

CCSS.5.NBT.A.3A

Front

How do you add decimals?

Back

To add decimals, align the numbers by the decimal point and add as you would whole numbers, placing the decimal point in the answer directly below the other decimal points.

Tags

CCSS.6.NS.B.3

Front

What is the process of subtracting decimals?

Back

To subtract decimals, align the numbers by the decimal point, subtract as you would whole numbers, and place the decimal point in the answer directly below the other decimal points.

Tags

CCSS.5.NBT.B.7

Front

What is multiplication of decimals?

Back

Multiplication of decimals involves multiplying the numbers as if they were whole numbers, then placing the decimal point in the product based on the total number of decimal places in the factors.

Tags

CCSS.6.NS.B.3

Front

What is division of decimals?

Back

To divide decimals, you can convert the divisor to a whole number by moving the decimal point to the right, 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 equation for 0.8 + 0.74?

Back

0.8 + 0.74 = 1.54.

Tags

CCSS.5.NBT.B.7

Front

What is the equation for 1.54 - 0.74?

Back

1.54 - 0.74 = 0.8.

Tags

CCSS.5.NBT.B.7

Front

What does 'dividing' mean in terms of decimals?

Back

Dividing means splitting a number into equal parts. For example, dividing 1.5 by 0.5 means finding how many times 0.5 fits into 1.5.

Front

What is the equation for 0.22 x 6?

Back

0.22 x 6 = 1.32.

Tags

CCSS.5.NBT.B.7