MATH DOMAIN 2.NBT.5/NUMBERS AND OPERATIONS IN BASE TEN Grade 2 Math Standard Mathematic Practices Math Cluster Use value 2.NBT.5 Fluently add Make of problems and persevere understanding and subtract within 100 in solving them. and properties a variety of Reason abstractly and quantitatively. of operations strategies. Construct viable arguments and to add and critique the reasoning of others. subtract. Model with mathematics. Use appropriate tools strategically. Attend to precision. Look for and make use of structure. Look for and express regularity in repeated reasoning. Reporting Standards Trimester 1 Trimester 2 Trimester 3 Base Ten: Add any two- and three-digit Introduced (tested) (tested) numbers. (not tested) Add and Base Ten: Subtract any two- and subtract with numbers. no composing or decomposing Clarify Standard Mental strategies AND Standard algorithm should be learned. Adding numbers together is composing new numbers. Subtracting and taking numbers apart is decomposing numbers. The terms and replace and in “composing” “decomposing” “regrouping” “borrowing” the CCSS Mathematics. Task Analysis 1.NBT.4 Add within 100 using a variety of strategies., 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; relate the strategy to a written method and
MATH DOMAIN 2.NBT.5/NUMBERS AND OPERATIONS IN BASE TEN Grade 2 Math Cluster Math Standard Mathematic Practices Use value understanding and properties of operations to add and subtract. 2.NBT.5 Fluently add and subtract within 100 a variety of strategies. Make of problems and persevere in solving them. Reason abstractly and quantitatively. Construct viable arguments and critique the reasoning of others. Model with mathematics. Use appropriate tools strategically. Attend to precision. Look for and make use of structure. Look for and express regularity in repeated reasoning. Reporting Standards Trimester 1 Trimester 2 Trimester 3 Base Ten: Add any two- and three-digit numbers. Base Ten: Subtract any two- and numbers. Introduced (not tested) Add and subtract with no composing or decomposing (tested) (tested) Clarify Standard Mental strategies AND Standard algorithm should be learned. Adding numbers together is composing new numbers. Subtracting and taking numbers apart is decomposing numbers. The terms “composing” and “decomposing” replace “regrouping” and “borrowing” in the CCSS Mathematics. Task Analysis 1.NBT.4 Add within 100 using a variety of strategies., 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; relate the strategy to a written method and
2.NBT.5_Aug%202013.docx