Sums of 10
In this addition table learning exercise, students count the stars in the math table. Students also count the circles. Students write an addition sentence for each row.
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Solve Addition Problems: Using Partial Sums
When learning to add large numbers, having a solid understanding of place value is essential. In the second lesson in this series, young mathematicians see how expanded notation can make addition of three- and four-digit numbers much...
3 mins 2nd - 4th Math CCSS: Designed