A16 I can add HTU + HTU that requires carrying (using partitioning).

A17 I can add TU + TU + TU (using partitioning).



A18 I can add TU + TU that requires carrying.

A19 I can add HTU + TU that requires carrying.

A20 I can complete additions that include negative numbers using a number line.



A21 I can add HTU + HTU.

A22 I can add and p.



A23 I can add ThHTU + HTU.

A24 I can add U.t + U.t.