Two Digit Subtraction - Adding On

Activity type: Video

Two Digit Subtraction - Adding On

Course
Mathematics
Section
Subtraction
Outcome
Two digit subtraction - Adding on!
Activity Type
Video
Activity ID
28131

Testimonials

What a brilliant site you have!!! I love it, especially as it saves me hours and hours of hard work. Others who haven't found your site yet don't know what they are missing!

United States – Common Core State Standards

• 2.OA – Operations & Algebraic Thinking
• Mathematics

• 2.OA.1 – Use addition and subtraction within 100 to solve one- and two-step word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem. (See Glossary, Table 1. http://www.corestandards.org/the-standards/mathematics/glossary/glossary/ )

• 2.NBT – Number & Operations in Base Ten
• Mathematics

• 2.NBT.5 – Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.

Australia – Australian Curriculum

• Number and Algebra
• Number and place value

• ACMNA073 – Apply place value to partition, rearrange and regroup numbers to at least tens of thousands to assist calculations and solve problems

New Zealand – National Standards

• 5.NA – Number and algebra
• 5.NA.3 – Describe spatial and number patterns, using rules that involve spatial features, repeated addition or subtraction, and simple multiplication.

• 5.NA.1 – Apply additive and simple multiplicative strategies and knowledge of symmetry to:

• 6.NA – Number and algebra
• 6.NA.1 – Apply additive and simple multiplicative strategies flexibly to:

• 6.NA.1.a – Combine or partition whole numbers, including performing mixed operations and using addition and subtraction as inverse operations

• 6.NA.3 – Describe spatial and number patterns, using:

• 6.NA.3.b – Rules that involve spatial features, repeated addition or subtraction, and simple multiplication.

United Kingdom – National Curriculum

• Year 4 programme of study
• KS2.Y4.N.AS – Number - addition and subtraction

• Pupils should be taught to:

• KS2.Y4.N.AS.1 – Add and subtract numbers with up to 4 digits using the formal written methods of columnar addition and subtraction where appropriate