Tools 4 NC Teachers | Math Science Partnership Grant Website



NC.3.NBT.2Toys For UsDomainNumber and Operations in Base TenClusterUse place value to add and subtract.Standard(s)NC.3.NBT.2 Add and subtract whole numbers up to and including 1,000.? Use estimation strategies to assess reasonableness of answers.? Model and explain how the relationship between addition and subtraction can be applied to solve addition and subtraction problems.? Use expanded form to decompose numbers and then find sums and differences.MaterialsToys for Us sales fliers, Toys for Us Recording Sheets, paper, pencilsTaskPart 1:Distribute Toys for Us fliers to students.Read: Congratulations! You just won a $1,000 gift card to Toys for Us. Look at the Toys for Us sales flier and make a list of what you will buy. Be sure to spend as close as possible to $1,000 without going over.Part 2:Read: Use your work from Part 1 to answer each question.What was the total cost of your items? How much money will be left on your gift card?What strategies did you use to get as close to $1,000 as possible?Is it possible to spend exactly $1,000? Explain.RubricLevel INot YetLevel IIProgressingLevel IIIMeets ExpectationStudent’s response is incorrect, incomplete, or off task.Student does 1-4 of the following:Student selects a list of toys valued at or near $1,000.Student identifies the total cost of item on his/her list.Student identifies amount left on gift card.Problem solving strategies are clearly articulated.Student finds a list of items whose sum is exactly $1,000.Student selects a list of toys valued at or near $1,000.Student identifies the total cost of item on his/her list.Student identifies amount left on gift card.Problem solving strategies are clearly articulated.Student finds a list of items whose sum is exactly $1,000.Standards for Mathematical Practice1. Makes sense and perseveres in solving problems.2. Reasons abstractly and quantitatively.3. Constructs viable arguments and critiques the reasoning of others.4. Models with mathematics.5. Uses appropriate tools strategically.6. Attends to precision.7. Looks for and makes use of structure.8. Looks for and expresses regularity in repeated reasoning.Toys for Ustrampoline$184spy kit$51mountain bike$240science kit$46scooter$449MP3 player$152roller blades$58CD boom box$52board game$19 electric guitar$210puzzle$6trumpet$180hand-held game$72basketball$15gaming system$225telescope$99remote control car$39snow cone machine$32remote control airplane$44ice cream maker$50giant gumball machine$95easy make oven$56art set$47frog tank with live frogs$34make-up kit $31 ant farm$23Toys for Us Recording SheetCongratulations! You just won a $1,000 gift card to Toys for US. Look at the Toys for Us flier and make a list of what you will buy. Be sure to spend as close as possible to $1,000 without going over.-1841571120002760980198120Use your list of items to answer each question.What was the total cost of your items? How much money will be left on your gift card?What strategies did you use to get as close to $1,000 as possible?Is it possible to spend exactly $1,000? Explain.020000Use your list of items to answer each question.What was the total cost of your items? How much money will be left on your gift card?What strategies did you use to get as close to $1,000 as possible?Is it possible to spend exactly $1,000? Explain. List of items you will purchase ................
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