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Mathematics
K.OA.2 – Solve addition and subtraction word problems, and add and subtract within 10, e.g., by using objects or drawings to represent the problem.
Samples: Adding dots. Add on to 10. Subtraction with visual cues: Activity 1. Addition to 20. Make 10.
Mathematics
1.OA.1 – Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using objects, 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/ )
Samples: Plus two. Adding within 5. Add on to 10. Adding to 10 (visual cues). Subtract from 10 (losing acorns). Addition to 20.
Mathematics
1.OA.4 – Understand subtraction as an unknown-addend problem. For example, subtract 10 – 8 by finding the number that makes 10 when added to 8. Add and subtract within 20.
Samples: Make 10. Make 10. Single digit addition (missing number). 'Adding On' to subtract. Make 10 - children. Make 10.
Mathematics
1.OA.8 – Determine the unknown whole number in an addition or subtraction equation relating three whole numbers. For example, determine the unknown number that makes the equation true in each of the equations 8 + ? = 11, 5 = _ – 3, 6 + 6 = _.
Samples: Make 10. Single digit addition (missing number). Subtract single digits with a missing number. Plus two.
Number and place value
ACMNA029 – Explore the connection between addition and subtraction
Samples: Add single digit numbers. Addition to 20. Single digit addition: Activity 1. Counting Forwards By 10. Make 10. Make 10.
3.NA.3 – Continue spatial patterns and number patterns based on simple addition or subtraction.
Samples: Add single digit numbers. Addition to 20. Single digit addition: Activity 1. Counting Forwards By 10. Make 10. Make 10.
3.NA.1 – Apply basic addition facts and knowledge of place value and symmetry to:
3.NA.1.a – Combine or partition whole numbers
Samples: Write numbers – to 1000. Reading numbers – to 1000. Comparing numbers – to 1000. Ordinal numbers.
4.NA.3 – Create and continue spatial patterns and number patterns based on repeated addition or subtraction.
Samples: Add single digit numbers. Addition to 20. Counting Forwards By 10. Make 10. Single digit addition (missing number).
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
Samples: Ordinal numbers. Odd or Even amounts. Even numbers to 20 - equations. Place Values. Place value 100.
KS1.Y1.N.AS – Number - addition and subtraction
Pupils should be taught to:
KS1.Y1.N.AS.1 – Read, write and interpret mathematical statements involving addition (+), subtraction (-) and equals (=) signs
Samples: Adding dots. Add on to 10. Count on and back by 2. Subtract 2 from numbers under 10. 'Adding On' to subtract.
