Order of operations and arrays

In this lesson, we will be looking at writing calculations whilst obeying the order of operations, using arrays.

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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!

Q1.Which of the following calculations matches the statement: I start with 12 then I add 5 and then multiply by 5?

1/5

Q2.Which of the following calculations matches the statement: I start with 12 then I add 5 and then multiply by 5 and take away 2?

2/5

Q3.Which of the following calculations matches the statement: I start with 12, I first multiply by 5 and then take away 2?

3/5

Q4.Answer the following: 18 x 3 - 5 x 2

4/5

Q5.Answer the following: 18 x (8 - 6) x 2

5/5

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
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!

Q1.Which of the following calculations matches the statement: I start with 12 then I add 5 and then multiply by 5?

1/5

Q2.Which of the following calculations matches the statement: I start with 12 then I add 5 and then multiply by 5 and take away 2?

2/5

Q3.Which of the following calculations matches the statement: I start with 12, I first multiply by 5 and then take away 2?

3/5

Q4.Answer the following: 18 x 3 - 5 x 2

4/5

Q5.Answer the following: 18 x (8 - 6) x 2

5/5

Video

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Worksheet

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This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

Order of operations and arrays

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.Answer the following: 18 x (5 - 3) + 7

1/5

Q2.Answer the following: 15 - 5 x 2

2/5

Q3.Answer the following: (18 - 7) x (2 + 5)

3/5

Q4.Which of the following statements matches the calculation 15 x (5 - 3)?

4/5

Q5.Which of the following statements matches the calculation 15 x (5 - 3) + 3?

5/5

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Unit quizzes are being retired in August 2023

Why we're removing unit quizzes from the website >
Quiz:

Order of operations and arrays

Don’t worry if you get a question wrong! Forgetting is an important step in learning. We will recap next lesson.

Q1.Answer the following: 18 x (5 - 3) + 7

1/5

Q2.Answer the following: 15 - 5 x 2

2/5

Q3.Answer the following: (18 - 7) x (2 + 5)

3/5

Q4.Which of the following statements matches the calculation 15 x (5 - 3)?

4/5

Q5.Which of the following statements matches the calculation 15 x (5 - 3) + 3?

5/5

Lesson summary: Order of operations and arrays

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