# Numbers Strand

Notion of halves and quarters.

Additive thinking strategies.

Sharing and grouping using quantities within 60.

Quantities within 10.

Notion of one-half.

Composition and decomposition of quantities.

Sharing and grouping using quantities within 20.

Part-to-whole relationships as fractions.

Additive thinking strategies.

Multiplicative thinking strategies.

Part-to-whole relationships as fractions and decimals.

Refined additive thinking strategies.

Refined multiplicative thinking strategies.