Written (column) addition and subtraction of three-digit numbers. Multiplication and division by single-digit numbers.
: Reading, writing, and comparing numbers up to 1,000; understanding place value (units, tens, hundreds). Arithmetic : tematicheskoe planirovanie matematika 3 klass po 21 veku
: Converting between units for length (meters to centimeters), weight (kilograms to grams), and time. and comparing numbers up to 1
: Introduction to cost (price, quantity, total) and more complex units like millimeters or kilometers. understanding place value (units
: Oral and written addition and subtraction within 100, including carrying across tens. Problem Solving : Solving 1–2 step word problems.