Numbers and Operations Path
1. Skill: add (IXL B.2)
CCSS.MATH.CONTENT.4.NBT.B.4
Fluently add and subtract multi-digit whole numbers using the standard algorithm.
https://www.ixl.com/math/grade-4/add-numbers-up-to-millions
2. Skill: subtract (IXL C.2)
CCSS.MATH.CONTENT.4.NBT.B.4
Fluently add and subtract multi-digit whole numbers using the standard algorithm.
https://www.ixl.com/math/grade-4/subtract-numbers-up-to-millions
3. Skill: multiply (IXL D.19)
CCSS.MATH.CONTENT.4.NBT.B.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.
https://www.ixl.com/math/grade-4/multiply-a-2-digit-number-by-a-2-digit-number
4. Skill: divide (IXL E.8)
CCSS.MATH.CONTENT.4.NBT.B.6
Find whole-number quotients and remainders with up to four-digit dividends and one-digit divisors, using strategies based on place value, the properties of operations, and/or the relationship between multiplication and division. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models.
https://www.ixl.com/math/grade-4/divide-larger-numbers-by-1-digit-numbers