About This Lesson
Lessons include: Find the number halfway between two three-digit numbers; Read Roman Numerals to 100; Read Roman Numerals to 1000; Complete magic squares (easier); Complete magic squares; Solve 4x4 magic squares; Use negative numbers in calculations; Complete number sequences involving negative numbers; Compare temperatures involving negative numbers; Read a scale to calculate across 0; Solve magic squares with negative numbers; Complete arithmagons
