Place Value Math Vocabulary Crossword Puzzles. Teach and review elementary school math vocabulary with fun crossword puzzles! Easy no prep activity to help students review Math SOL 4.1.SOL 4.1 - Place Value (nine-digit whole numbers, comparing, ordering, standard form, word form, expanded form, and rounding) SOL 4.2 - Fractions and Mixed Numbers (comparing, ordering, division statements, equivalent fractions, and practice with and without models) - SOL 4.3 - Decimals (place value, comparing