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# Let's talk 3: part 2

Explores and records different mental addition strategies for solving 8 + 8 + 6 to support thinking flexibly about number problems.

Year level(s) Foundation, Year 1, Year 2
Audience Student, Teacher
Format Video
Teaching strategies and pedagogical approaches Concrete Representational Abstract model, Targeted teaching
Keywords addition, number sense, number talk, number line, ten frames, explicit teaching

## Curriculum alignment

Curriculum connections Numeracy
Strand and focus Number, Build understanding
Topics Place value, Addition and subtraction
AC: Mathematics (V9.0) content descriptions
AC9MFN05
Represent practical situations involving addition, subtraction and quantification with physical and virtual materials and use counting or subitising strategies

AC9M1N04

Add and subtract numbers within 20, using physical and virtual materials, part-part-whole knowledge to 10 and a variety of calculation strategies

AC9M2N04
Add and subtract one- and two-digit numbers, representing problems using number sentences and solve using part-part-whole reasoning and a variety of calculation strategies

Numeracy progression Additive strategies (P2, P6, P7)
Counting processes (P2)
Number and place value (P3, P5)