Lesson 8-3 Multiplying Two-Digit Numbers by Multiples of 10 F&C

Front

What is the product of 30 x 50?

Back

1500

Front

25 x 40 = ?

Back

1000

Front

20 x 51 = ?

Back

1020

Front

18 x 30 = ?

Back

540

Front

71 x 30 = ?

Back

2130

Front

What is multiplying a two-digit number by a multiple of 10?

Back

It involves multiplying a number by 10, 20, 30, etc., which can be simplified by multiplying the two-digit number by the whole number and then adding a zero.

Front

How do you multiply 25 by 40 using place value?

Back

Multiply 25 by 4 to get 100, then add two zeros (from 40) to get 1000.

Front

What is the first step in multiplying 18 by 30?

Back

Multiply 18 by 3 to get 54, then add a zero to get 540.

Front

What is the relationship between multiplication and addition in this context?

Back

Multiplication can be seen as repeated addition; for example, 30 x 2 is the same as adding 30 two times.

Front

What does the term 'product' mean in multiplication?

Back

The product is the result of multiplying two or more numbers together.