Add and subtract numbers mentally, including: a three-digit number and 1s

Please find within this download:

A detailed and engaging PowerPoint, Differentiated (SEN, LA, MA, HA & Mastery) Worksheet with Answer Sheet for a complete lesson on this National Curriculum Statement: Add and subtract numbers mentally, including: a three-digit number and 1s.

The PowerPoint has the following features:

→ Differentiated starter activity (plus extension)
→ Extremely logical and simplistic explanations
→ Learning Objective and differentiated success criteria which is clearly visible for all children
→ Animated count-down timer so children know how long they have left of the lesson

The Word Document has the following features:

→ Differentiated activities on one sheet from SEN, LA, MA, HA and Mastery Challenge
→ Coloured activity boxes to help you quickly assign tasks to children
→ Learning objective and short date (which automatically updates to the day you open the document)
→ Differentiated success criteria that link with the PowerPoint
→ Answer sheet included for all questions

Explore our other Year 3 Addition & Subtraction Lessons:

Add and subtract numbers mentally, including: a three digit number and 1s
Add and subtract numbers mentally, including: a three digit number and 10s
Add and subtract numbers mentally, including: a three digit number and 100s
Add numbers with up to 3 digits, using formal written methods of columnar addition and subtraction
Subtract numbers with up to 3 digits, using formal written methods of columnar addition and subtraction
Estimate the answer to a calculation and use inverse operations to check answers
Solve problems, including missing number problems, using number facts, place value, and more complex addition and subtraction