Learning counting up and counting down in 10s & 100s. Finding numbers in a sequence using the addition and subtraction operations.
Mapped to CCSS Section# 3.OA.D.9, 3.NBT.A.2
Identify arithmetic patterns (including patterns in the addition table or multiplication table), and explain them using properties of operations. For example, observe that 4 times a number is always even, and explain why 4 times a number can be decomposed into two equal addends.,Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.
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