Curated OER
Crossing Out
By crossing out objects young mathematicians can begin comprehending subtraction concepts. They examine six sets, each including two types of shapes. Learners choose one shape to cross out, filling in the subtraction equation this way...
Curated OER
Adding Dice
Roll the dice! These addition number sentences are for beginning mathematicians, and each addend is displayed on a die. Learners add up two or three single-digit addends to find eight sums in the first half of this activity. Next, they...