Practice solving with fluency one-step and two-step problems involving addition and subtraction within 1,000 using strategies based on place value, properties of operations, and the relationship between addition and subtraction with a test item from the 2016 STAAR (#8 - 3.4A). I explain the correct answer and why the incorrect answers are wrong.
Find all my videos and even more math resources at [ Ссылка ].
Ещё видео!