An answer key for the 'Pantry Power' worksheet, including a pedagogical tip for parents to help children who might be struggling with addition.

A supplemental worksheet featuring visual addition problems up to 20, designed to reinforce the counting and combining strategies learned at home.

A hands-on recording sheet for a home activity where students use physical snacks to model and solve addition problems up to 20.

A colorful slide deck for parents to use at home to introduce the concept of adding two groups up to 20 using counting and 'counting on' strategies.

A teacher-facing answer key and instructional guide for the "Dozen or Twenty" intervention materials.

Two pages of extra practice focusing on identifying, drawing, comparing, and writing the numbers 12 and 20 using base ten blocks and place value concepts.

A high-contrast visual comparison sheet showing the numbers 12 and 20 side-by-side with digits, word forms, and base ten block illustrations. Includes tracing practice at the bottom.

A set of 10 printable flashcards for first-grade students featuring word problems on subtracting multiples of ten. Designed for double-sided (duplex) printing with fronts on odd pages and mirrored backs on even pages. Each card includes a simple word problem and a matching equation.

A number 14 tracing worksheet featuring a large bubble number for coloring/tracing and 14 butterfly icons for counting practice.

A number 13 tracing worksheet featuring a large bubble number for coloring/tracing and 13 bee icons for counting practice.

A number 12 tracing worksheet with a large bubble number and 12 ladybug icons for counting activities.