This unit is packed with materials for teaching five different common core number and operations standards. It includes whole group instruction, workstation activities, a whole class game, partner games, and printables.
Download the preview to see the materials that are included and read 5 pages of teacher notes.
Common Core Alignment
1.OA.8—Determine the unknown whole number in an addition or subtraction equation relating three whole numbers
1.NBT.2—Understand that the two digits of a two-digit number represent amounts of tens and ones
1.NBT.4—Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction
1.NBT.5—Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count
1.NBT.6—Subtract multiples of 10 in the range 10-90 from multiples of 10 in the range 10-90 (positive or zero differences)
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