Sums With Tens
In this addition worksheet, 1st graders find the sums in 9 problems in which they double a multiple of 10, such as 60 +60 =. They add 11 plus 11 in the last problem.
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Study Jams! + & - Without Regrouping
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...
1st - 4th Math CCSS: Adaptable
Add and Subtract with Two-Digit Numbers and Money Amounts
Young mathematicians discover the rules for adding and subtracting two digit numbers. In this addition and subtraction lesson, 1st graders examine the procedure for math problems with two digit numbers. Finally, everyone takes part in a...