Calculo Mental JTB

Front

455.1 + 53.1

Back

508.2

Front

81521 x 0

Back

0

Front

42 x 10

Back

420

Front

24 x 3

Back

72

Front

43 - 32

Back

11

Front

What is the sum of two decimal numbers?

Back

To find the sum, align the decimal points and add as you would with whole numbers.

Front

What is the product of any number and zero?

Back

The product of any number and zero is always zero.

Front

How do you multiply a number by 10?

Back

To multiply a number by 10, simply add a zero to the end of the number.

Front

What is the result of multiplying two whole numbers?

Back

The result is called the product.

Front

What is subtraction?

Back

Subtraction is the process of taking one number away from another.