#NumberAndAlgebra >[!info]- [Multiplicative relations B | NSW Curriculum Website](https://curriculum.nsw.edu.au/learning-areas/mathematics/mathematics-k-10-2022/content/stage-3/fa1ff4d43b) >- MA3-MR-01 selects and applies appropriate strategies to solve multiplication and division problems >- MA3-MR-02 constructs and completes number sentences involving multiplicative relations, applying the order of operations to calculations >[!abstract]- Prior Knowledge >- [[Multiplicative Relations A]] ## Select and apply strategies to solve problems involving multiplication and division with whole numbers - Select and use efficient strategies to multiply whole numbers of up to 4 digits by one- and 2-digit numbers - Solve word problems involving rates using multiplication and division (Reasons about relations) - Determine why different division questions have the same answer (Reasons about relations) ## Multiply and divide decimals by powers of 10 - Use mental strategies to multiply benchmark decimals by single-digit numbers - Compare the relative place value of digits to multiply and divide a decimal by powers of 10 - Estimate the product of a decimal and a whole number to determine the magnitude of a calculator answer ## Use equivalent number sentences involving multiplication and division to find unknown quantities - Complete number sentences that involve more than one operation by calculating missing numbers - Identify and use inverse operations to assist with the solution of number sentences - Recognise that division can be recorded using fractions ## Represent and describe number patterns formed by multiples - Use a given geometric pattern involving multiples to create a table of values - Describe a pattern formed by multiples in words, in terms of multiplication rather than addition - Determine a rule describing the relationship between the bottom number and the top number in a table (Algebraic reasoning) ## Explore the use of brackets and the order of operations to write number sentences - Recognise the need to agree on the order in which to perform operations - Use grouping symbols () in number sentences to indicate operations that must be performed first - Investigate the order of operations using real-life contexts - Solve problems involving grouping symbols