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Addition Grid Enrichment Activity

Grades: 3rd Grade

Subjects: Math

Standards: Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction. (3.NBT.2.), Attend to precision. (MP.6.), Level 5 Bridging: Identify short sentences in illustrated texts related to games or activities with a partner. (1.R.L5.)

Student Instructions

Click add Use the label or pen to fill in the grid squares so each column and row add up correctly! The sums are in the pink boxes. YOUR job is to find the missing addends to get to those sums, both horizontally and vertically. These are tricky but GREAT for your math 🧠. Not done but time is up? Click draft Done? Click check and pat yourself on the back.

Teacher Notes (not visible to students)

Fits with i-Ready Gr. 3 Math Lesson 2

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Addition Grid Enrichment Activity