IB Primary Years Programme (PYP) · Mathematics

Counting, number words and numerals: Practice Questions

5 multiple-choice questions marked as you go, and 5 written questions with worked solutions. All on Counting, number words and numerals.

10 questions21 marksFree, no account

Question 1

1 mark

What is the sixth number in the sequence that starts at 10 and increases by 10 each time?

Question 2

1 mark

Identify the missing number in this skip-counting sequence:
\( 2, 5, 8, \dots, 14, 17 \)

Question 3

1 mark

Consider a sequence where you start at 1 and skip-count by 4. What is the fifth number in this sequence?

Question 4

1 mark

What is the missing number in the sequence below?

\[ 15, 18, 21, \text{?}, 27 \]

Question 5

1 mark

Identify the pattern and find the missing value in the following sequence:

\[ 2, 4, 8, 16, \text{?}, 64 \]

Question 6

2 marks

What is the next number in the following sequence?
\( 2, 4, 6, 8, 10, \dots \)

Write your answer out first, then check it against the worked solution.

Question 7

3 marks

A number sequence starts at \( 100 \) and decreases by \( 5 \) each time. What are the next three numbers in the sequence?

Write your answer out first, then check it against the worked solution.

Question 8

2 marks

Count the sequence and fill in the missing number: \( 10, 20, 30, \dots, 50 \).

Write your answer out first, then check it against the worked solution.

Question 9

4 marks

Consider the following counting pattern:
105, 110, 115, 120, ...

Part a: Describe the rule of this sequence.
Part b: Find the next three numbers in the sequence.
Part c: Will the number 153 be part of this sequence? Explain why or why not.

Write your answer out first, then check it against the worked solution.

Question 10

5 marks

A sequence of numbers is formed by starting at 200 and counting backwards by a constant amount each time. The first four numbers are:
200, 188, 176, 164.

Part a: What is the common difference between consecutive terms in this sequence?
Part b: Calculate the 8th term of this sequence.
Part c: If the sequence continues, what is the first number in the sequence that is less than 100?

Write your answer out first, then check it against the worked solution.

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