Using Dienes to multiply a 2 digit number by a 1 digit number

In this lesson you will learn to multiply 2 digit numbers by 1 digit numbers using Dienes.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Q1.Which is an example of partitioning?

1/6

Q2.Partitioning makes multiplying two digit numbers easier.

2/6

Q3.13 x 5 =

3/6

Q4.17 x 3 =

4/6

Q5.18 x 4 =

5/6

Q6.Use what you know about place value to work out 180 x 4 =

6/6

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Question 1

Question 2

Question 3

Question 4

Question 5

Question 6

Q1.Which is an example of partitioning?

1/6

Q2.Partitioning makes multiplying two digit numbers easier.

2/6

Q3.13 x 5 =

3/6

Q4.17 x 3 =

4/6

Q5.18 x 4 =

5/6

Q6.Use what you know about place value to work out 180 x 4 =

6/6

Video

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Worksheet

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Quiz:

Using Dienes to Multiply a 2 Digit Number by a 1 Digit Number Quiz

Take the quiz to test your new knowledge!

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.What is 22 x 4?

1/5

Q2.What is the missing word? If there are ten or more ones, we must ______________ the ones into tens and ones.

2/5

Q3.Do you need to regroup ones into tens when calculating 11 x 7?

3/5

Q4.Do you need to regroup tens when calculating 43 x 4?

4/5

Q5.What do you need to regroup when calculating 45 x 5?

5/5

Quiz:

Using Dienes to Multiply a 2 Digit Number by a 1 Digit Number Quiz

Take the quiz to test your new knowledge!

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.What is 22 x 4?

1/5

Q2.What is the missing word? If there are ten or more ones, we must ______________ the ones into tens and ones.

2/5

Q3.Do you need to regroup ones into tens when calculating 11 x 7?

3/5

Q4.Do you need to regroup tens when calculating 43 x 4?

4/5

Q5.What do you need to regroup when calculating 45 x 5?

5/5

Lesson summary: Using Dienes to multiply a 2 digit number by a 1 digit number

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