Rounding and Sequences

Place Value

Multiple Choice

Which of the following is NOT a digit that can be used to write any number?

• 5

• 9

• 11

• 3

Multiple Choice

What is a digit?

• A single symbol used to write numbers. 0,1,2,3,4,5,6,7,8,9.

• any number

• 123

• 5,421

Let's Practice

Dropdown

419 =

​

Select answer

hundreds ​

Select answer

tens ​

Select answer

ones

Drag and Drop

For each number, match the whole number that is the same as the value of the underlined digit.

327,486​ ​

Placeholder

770,351 ​

Placeholder

698,761 ​

Placeholder

514,077 ​

Placeholder

​

Drag these tiles and drop them in the correct blank above

7,000

70,000

700

70

7

700,000

1

7,486

761

Dropdown

Use place value to show another way to write 762.

762 = ​ ​

Select answer

+ ​

Select answer

+ ​

Select answer

Dropdown

18 = ​

​

Select answer

hundreds ​

Select answer

tens ​

Select answer

ones

Multiple Choice

What number is made up of 3 hundreds, 5 tens, and 4 ones?

• 354

• 345

• 534

• 435

Open Ended

What does each digit represent in 738?

Drag and Drop

Drag and Drop the number in order from least to greatest.​ ​ ​ ​

Placeholder

​

Placeholder

​

Placeholder

​

Placeholder

Drag these tiles and drop them in the correct blank above

88

109

192

200

Open Ended

Claire wants to buy holiday insurance.

She finds this information.

She thinks that insurance company C is the cheapest.

Is she correct?

Give a reason for your answer.

Multiple Choice

Which of the following numbers is closest to 500?

• 478

• 515

• 354

• 406

Rounding

Multiple Choice

Why is rounding numbers to 10, 100, or 1,000 considered useful in everyday calculations?

• It makes calculations easier and helps with estimation.

• It makes numbers more complicated.

• It is only useful for advanced mathematics.

• It is required for all types of math problems.

Multiple Choice

What is the purpose of marking the halfway point between two values on a number line when rounding numbers?

• To find the average of the two values

• To identify whether to round up or down

• To subtract the smaller value from the larger value

• To multiply the two values

Multiple Choice

How many numbers on this number line round up to 30?

• 5

• 6

• 7

• 8

Let's Practice

Drag and Drop

32 is closer to ​

Placeholder

than to ​

Placeholder

.

Drag these tiles and drop them in the correct blank above

30

40

20

50

10

Multiple Select

84 is between which TWO tens (be sure to pick TWO answers)

• 60

• 70

• 80

• 90

Match

Round each number to the nearest ten.

• 52

• 58

• 65

50

60

70

• 50

• 60

• 70

Open Ended

What is 44 rounded to the nearest 10?

Hotspot

Click all the numbers below that would round to 50 when rounded to the tens place

Multiple Choice

What is 44 rounded to the nearest ten?

• 40

• 50

• 60

• 70

Multiple Choice

What is 76 rounded to the nearest ten?

• 70

• 80

• 90

• 100

Multiple Select

Which of the following numbers, when rounded to the nearest hundred, become 200?

• 147

• 192

• 235

• 175

Match

Round the following numbers to the nearest 100.

• 356

• 242

• 116

• 585

• 274

400

200

100

600

300

• 400

• 200

• 100

• 600

• 300

Labelling

Label the missing numbers in the chart!

Drag labels to their correct position on the image

640

630

610

800

650

500

700

620

600

Hotspot

A hammerhead shark at the Denver Aquarium weighs 329 pounds. Kimberly located the weight of the shark on the number line.

About where would she have marked it on the number line?

Open Ended

When might it be useful to round in everyday life?

Sequences

Multiple Choice

What is a sequence in maths?

• A sequence is a shape.

• A sequence is a random collection of numbers without any order.
• A sequence is an ordered list of numbers that follow a specific rule.

• A sequence is a single number.

Multiple Choice

What is the Rule for this sequence?
3, 7, 11, 15, ...

• +6
• +5
• +4
• +2

Multiple Choice

What is the next number in this sequence?

• 15
• 17
• 12
• 20

Multiple Choice

What is the difference between 31 and 26?

• 3
• 5
• 7
• 10

Let's Practice

Categorize

Options (16)

23, 20, 17, 14

1,4,7,11

20,30,40

150, 200, 250

270, 240, 210, 180

34, 30, 26

87, 85, 83

100, 90, 80

50, 45, 40

15, 10, 5

300, 250, 200

5, 10, 15

100, 150, 200

300, 400, 500, 600

1, 2, 3, 4, 5

10, 20, 30, 40

Match the sequences based on whether the numbers are ascending or descending in value.

Ascending

Descending

Reorder

Reorder the following to explain how to carry on a sequence

• Find the difference between the first two numbers.

• Decide if the sequence is going up or down in value.

• Add or subtract the difference to the last number.

• This sum is the next number.

1

2

3

4

• 1
• 2
• 3
• 4

Labelling

What is the next number in this sequence?

Drag labels to their correct position on the image

89

98

95

91

100

99

Labelling

What is the next number in this sequence?

Drag labels to their correct position on the image

75

66

76

70

80

Multiple Choice

What is the next number in the sequence 14.8, 15.9, 17.0?

• 18.1

• 17.9

• 17.8

• 18.0

Poll

How do you feel about the topics covered this lesson?

• I need more support to understand this

• I am confident I am ready to complete the work independently

• I am not sure, please come and speak to me.

• I'm not sure but I will have a go at the work, and ask you if I need help.

• I did not understand any of this