Mississippi College & Career Readiness Standards
MS.4.NBT. Number and Operations in Base Ten (NBT)
Use place value understanding and properties of operations to perform multi-digit arithmetic
4.NBT.4. Fluently add and subtract (including subtracting across zeros) multi-digit whole numbers using the standard algorithm.
4.NBT.5. Multiply a whole number of up to four digits by a one-digit whole number, and multiply two two-digit numbers, using strategies based on place value and the properties of operations. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models.