1st Grade Use Addition To Subtract Interactive Videos

Properties of addition and subtraction are explored using an open number line, focusing on understanding the commutative property and addressing common misconceptions in subtraction. Learners develop the ability to add and subtract within 20 effectively. The use of number line strategies enhances their skill in clarifying mathematical misunderstandings.

Explore the concepts of adding and subtracting 10 and 100 from given numbers to enhance numerical fluency. This learning approach aims to develop critical arithmetic skills, empowering learners to manipulate numbers confidently and understand the effects of these operations.