Johnny Appleseed, fall, apples, harvest, it is the perfect time to use those things to practice mathematical thinking. Common Core standards for both Kindergarten and First Grade have students composing and decomposing numbers. Practicing with a game brings fun into the classroom and students may not even know how much they are learning.
Missing Addends is a perfect game for practicing composing and decomposing numbers, and connecting addition and subtraction. You control the number of manipulatives you use. You can easily differentiate according to the needs of your students.
Students count the number of apples (red pom-poms, buttons, or connecting cubes if you can't find apples small enough). Then one students hides some of the apples under a cup or basket. The second student then tries to guess how many are missing (hidden). They then check to see if they were right. Several recording sheets are included. You may choose according to the needs of your students and the amount of color ink you want to use.