by Anne's Learning Lab © 2026
Price: $3 USD
Subjects: math,decimals,mathMiddleSchool,midSchoolFractions,comparisons
Grades: 3,4
Missing Number Equations – Addition & Subtraction Help students build early algebra thinking with these engaging missing number equations. Students solve addition and subtraction equations to find the unknown number using mental math and inverse operations. Aligned with CCSS 3.OA.D.8 and 4.OA.A.3.