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Khan Academy (English - US curriculum)
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Khan Academy (English - US curriculum)
Math by grade
2nd grade
Add and subtract within 100
Visually subtract within 100
Visually subtract within 100
Learn how to solve subtraction problems by using visuals like place value blocks and number lines.
Subtracting 1s using place value
Subtracting 10s using place value
Subtracting two-digit numbers without regrouping
Subtracting a 1-digit number with regrouping
Subtract within 100 using place value blocks
Addition and subtraction with number lines
Subtract within 100 using a number line