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Mastery
Number facts and inverse operations
In-depth Investigation:
Use the Group Activity from Day 2 as this unit's in-depth problem-solving activity.
Mastery
Partitioning to add
In-depth Investigation: Diagonal Sums from nrich.maths.org.
Mastery
Place 2-digit & 3-digit numbers on lines
In-depth Investigation: Reasoned Rounding from nrich.maths.org.
