We found 60 resources with the concept addition of 3 numbers
Second Grade Summer Math Practice Book
1st - 3rd CCSS: Adaptable
Stop the summer lag with a set of second grade Common Core based math practice sheets. Learners fill in hundreds charts with missing numbers up to 1,000. They practice writing numbers in standard, expanded, and word form. Children also...
Study Jams! + and - Without Regrouping
1st - 4th CCSS: Adaptable
Addition and subtraction are essential skills for all young mathematicians. Explain the step-by-step process with respect to place value using these real-world examples. Focus is on numbers in the tens, hundreds, and thousands, making...