Curated OER
Missing Numbers - Addition Worksheet Set
Save some trees and use virtual worksheets. Here are 6 different virtual worksheets that require learners to determine the missing addend. Each page includes 12 problems to solve.
Curated OER
Addends with Spiffy
Students solve single variable equations. In this missing addend lesson, students solve problems with missing addends. Students create a function box to help study numerical reasoning.
Curated OER
Missing Addend Addition Using Math Counters
In this missing addend addition instructional activity, students fill in the missing addend in 6 problems. Math counting blocks are provided to solve the 1-digit problems.
Curated OER
Addition: Missing Addends
In this addition practice instructional activity, students solve 32 problems that require them to identify the missing addends in the addition trees.