In Topic 1 of the enVision Math Grade 5 series, students build a strong foundation in place value concepts for whole numbers and decimals. They learn to read, write, and compare numbers through the billions, as well as decimals to the thousandths. The topic emphasizes the relationship between digits based on their position and powers of ten, helping students understand how numbers increase or decrease in value depending on their place. Through hands-on activities, visual models, and problem-solv