Daisy's Lost Numbers – Missing Numbers Worksheet (IB PYP Grade 1)

About This Worksheet

The numbers have wandered off! Help them find their way home in the 11 to 20 range. This colourful, printable IB PYP Grade 1 Mathematics worksheet gives young learners focused practice with missing numbers, with a friendly flower to guide them. It has a name, class and date box for students, the mindtested.com header and footer, and a teacher answer key on page 2.

What Questions Are in This Worksheet?

There are 3 activities worth 15 marks in total:

• Activity A: Finding missing numbers within 20.
• Activity B: Completing a number chart 11 to 20.
• Activity C: Finding missing numbers counting backward.

What Your Child Will Practise

• Completing a number chart
• Counting backward to find missing numbers
• Filling in a number line
• Filling in missing numbers in a row

How to Use This Worksheet

1. Print the PDF on A4 paper (colour is best, but black and white works too).
2. Read each instruction aloud together before your child starts.
3. Let your child try every activity independently first.
4. Mark with the answer key on page 2 and talk through any mistakes.

Tip: five to ten minutes of regular practice works better for Grade 1 learners than one long session. Colour in the flower when the worksheet is finished as a small reward.

Ideal for classroom use, homework, tutoring or home learning in the IB PYP Number strand, where learners find the missing numbers in a sequence or a number chart. Answer key included.