Math Practice Online > free > lessons > Minnesota > 1st grade > Addition Grouping
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Simplify problems by grouping numbers together.
This topic aligns to the following state standards
Grade 1: 2. Find the sum of three one-digit numbers.
Grade 2: 1. Use one- and two-digit addition and subtraction to solve real-world and mathematical problems.
Grade 3: 1. Use addition of up to three whole number addends, containing up to four digits each in real-world and mathematical problems.
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