Color by Code Worksheets with Addition Fact Grids

About this resource

What's inside this resource

Addition fact fluency is practiced through a set of color-by-code pages where each cell contains an addition problem instead of a plain number, and students must solve it before matching the sum to a color key (for example, red for 6, blue for 11, pink for 15, green for 5) printed at the bottom of the page. The problems progress across the set from very simple sums like 0+15 up to two-digit totals such as 19+1 and 16+4, so the difficulty increases as students move through the pages. Each page repeats the same color-by-code format with a fresh grid of problems and a new color key, letting the resource be used for repeated independent practice or as a math center activity. There is no separate answer key; the color key itself lets students self-check as they work, since a wrong sum will produce a color that does not match the intended picture. Students who need a strategy for solving these facts rather than memorizing them outright can build that foundation first with make a ten strategy worksheets.

In the classroom

Teaching tips & learning objectives

Learning objectives

Solve single- and double-digit addition problems with sums up to 20.
Match a calculated sum to its assigned color using a page's color key.
Apply addition fact fluency repeatedly across a self-checking coloring activity.

Teaching tips

Assign the simpler, lower-sum pages first and save pages with sums into the high teens for students who have mastered basic facts, since the difficulty is not uniform across the set.
Use the built-in self-checking nature of the color key as a quick formative check — a coloring result that looks wrong signals an addition error worth revisiting.
Rotate the pages through a math center so students get repeated addition practice without repeating the same problem set.

Skills covered

Addition fact fluency — students solve equations with sums ranging from single digits up to 20.
Color-key matching — students translate a numeric answer into the correct color using a page-specific legend.
Self-checking practice — students use the coloring outcome itself to notice and correct addition errors.

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Curriculum

Standards, concepts & topics

Standards

1.OA.C.6 — Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. Use strategies such as counting on; making ten (e.g., 8 + 6 = 8 + 2 + 4 = 10 + 4 = 14); decomposing a number leading to a ten (e.g., 13 – 4 = 13 – 3 – 1 = 10 – 1 = 9); using the relationship between addition and subtraction (e.g., knowing that 8 + 4 = 12, one knows 12 – 8 = 4); and creating equivalent but easier or known sums (e.g., adding 6 + 7 by creating the known equivalent 6 + 6 + 1 = 12 + 1 = 13).

Core concepts

addition
number sense
color-by-number

Topics

Centers Printables Math Numbers worksheets coloring

More to explore

Color by Code Worksheets for Addition Facts

What's inside this resource