This math topic focuses on building and understanding place value of decimals. It emphasizes the skill of converting decimals from an expanded word form into a standard numerical form. Specifically, students practice forming one-digit decimal numbers based on word descriptions involving whole numbers and tenths (e.g., "five + seven tenths"). Each problem is presented with multiple-choice answers, requiring students to select the correct decimal number representation. The content is tailored for foundational learning in place value, targeting concepts around thousands and hundredths.