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### Quadrilaterals, other polygons and circles

**Y5: What’s Special?**Identifying and describing properties of triangles; using these properties to sort the triangles.

**Y6: Sorting Logic Blocks**Using an on-screen interactivity to practise describing and sorting 2-D shapes; Sorting Logic Blocks from nrich.maths.org.

### Find missing angles and draw 2D shapes

**Day 1**Y5: Measure and calculate angles around a point on roundabouts.

Y6: Find sets of angles that do not sum to 360°.

**Day 2**Y5: Measure and calculate angles in triangular sandwiches.

Y6: Find the missing angles in a triangular jigsaw.

**Day 3**Y5: Draw polygons to given dimensions.

Y6: Draw polygons to given dimensions. Some angles need to be calculated first.

**Day 4**Y5: Calculate missing angles between intersection lines, in triangles and quadrilaterals.

Y6: Find the missing angles around a point formed by intersecting lines, including by calculation.

### Decimal/fraction equivalents

**In-depth Investigation: Rod Fractions**

Pick two rods of different colours. How can we work out what fraction the shorter rod is of the longer one? Rod Fractions from nrich.maths.org.

### Add/subtract fractions, using equivalence

**Day 1**

Y5: Compare pairs, then order trios of fractions.

Y6: Compare pairs, then order trios of fractions.

**Day 2**

Y5: Add pairs of fractions (related denominators), first with a total <1, then with a total >1.

Y6: Add pairs of fractions, first with a total <1, then with a total >1.

**Day 3**

Y5: Subtract pairs of related fractions. Subtract fractions with unrelated denominators.

Y6: Subtract pairs of fractions with related and unrelated denominators.

### Add/subtract fractions, using equivalence

**Y5 Fraction Families**

Finding equivalent fractions to 1/2, 1/3 and 1/4

and

**Pete’s Pies**

Adding fractions with same denominator, including answers greater than 1

**Y6 Make the Fractions Friendly**

Adding fractions with related denominators

and

**Teeny Subtractions**

Subtracting fractions with related denominators

### Decimal/fraction equivalents

**Balance of Halves**

Can you hang weights in the right place to make the scale balance? Balance of Halves from nrich.maths.org.