The standards covered in Unit 2 are: vocabulary for parts of a number sentence, making ten, part part whole, missing addend, missing subtrahend, number sentence matching a picture, number sentence matching a math story, problem solving, balancing across the equal sign, join, separate, compare, commutative property of addition, number line addition, and number line subtraction. (hand2mind.com)
Students need to write in the missing minuend, subtrahend or difference. (k5learning.com)
Below are six versions of our grade 4 math worksheet on subtracting 2 - digit numbers with the minuend, subtrahend or difference missing. (k5learning.com)