## Two digit addition

• Grade: Year 4
Activity type: n.a.

## Two digit addition

Course
Mathematics
Year 4
Section
Outcome
Two digit addition - problem solving
Activity Type
n.a.
Activity ID
30307

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## New Zealand – National Standards

• ##### 3.NA – Number and algebra
• 3.NA.3 – Continue spatial patterns and number patterns based on simple addition or subtraction.

• 3.NA.1 – Apply basic addition facts and knowledge of place value and symmetry to:

• 3.NA.1.a – Combine or partition whole numbers

• ##### 4.NA – Number and algebra
• 4.NA.3 – Create and continue spatial patterns and number patterns based on repeated addition or subtraction.

• 4.NA.1 – Apply basic addition and subtraction facts, simple multiplication facts, and knowledge of place value and symmetry to:

• 4.NA.1.a – Combine or partition whole numbers

• ##### 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:

## Australia – Australian Curriculum

• ##### Number and Algebra
• Number and place value

• ACMNA055 – Recall addition facts for single-digit numbers and related subtraction facts to develop increasingly efficient mental strategies for computation

## United Kingdom – National Curriculum

• ##### Year 3 programme of study
• KS2.Y3.N.AS – Number - addition and subtraction

• Pupils should be taught to:

• KS2.Y3.N.AS.4 – Solve problems, including missing number problems, using number facts, place value, and more complex addition and subtraction

• ##### Year 2 programme of study
• KS1.Y2.N.AS – Number - addition and subtraction

• Pupils should be taught to:

• KS1.Y2.N.AS.3 – Add and subtract numbers using concrete objects, pictorial representations, and mentally, including:

• KS1.Y2.N.AS.3.c: 2 two-digit numbers

## 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.