2-digits + 1-digit + 1-digit
Students find the sum of one 2-digit and two 1-digit numbers. Students should understand that the order of addition doesn't matter (commutative property of addition).
Source: k5learning
Students find the sum of one 2-digit and two 1-digit numbers. Students should understand that the order of addition doesn't matter (commutative property of addition).
Source: k5learning