1Read the customer's order. Chestnuts with a worm hole get tossed. The rest get roasted.
2Pick the number sentence that matches the story.
3Solve it and type your answer. Stuck? Tap "Show me a picture."
4Finish all 6 orders to close the stand for the day.
Georgia K-8 Mathematics Standards (2021), quoted from the official CASE standards file. The 2–3 band starts with Grade 2 problems (within 100) and moves up to Grade 3. The 4–5 band starts with Grade 4 and finishes with whole-number Grade 5 problems.
Grade 2
2.NR.2.3
Solve problems involving the addition and subtraction of two-digit numbers using part-whole strategies.
2.NR.2.4
Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.
Grade 3
3.PAR.2.1
Fluently add and subtract within 1000 to solve problems.
3.PAR.2.2
Apply part-whole strategies, properties of operations and place value understanding, to solve problems involving addition and subtraction within 10,000. Represent these problems using equations with a letter standing for the unknown quantity. Justify solutions.Game scope: sums and differences within 1,000. The unknown is shown as ?.
3.PAR.3.6
Solve practical, relevant problems involving multiplication and division within 100 using part-whole strategies, visual representations, and/or concrete models.
3.PAR.3.7
Use multiplication and division to solve problems involving whole numbers to 100. Represent these problems using equations with a letter standing for the unknown quantity. Justify solutions.Game scope: the unknown is shown as ?.
Grade 4
4.NR.1.4
Use place value understanding to round multi-digit whole numbers.
4.NR.2.1
Fluently add and subtract multi-digit numbers to solve practical, mathematical problems using place value understanding, properties of operations, and relationships between operations.
4.NR.2.2
Interpret, model, and solve problems involving multiplicative comparison.
4.NR.2.3
Solve relevant problems involving multiplication of a number with up to four digits by a 1-digit whole number or involving multiplication of two two-digit numbers using strategies based on place value and the properties of operations. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models.
4.NR.2.4
Solve authentic division problems involving up to 4-digit dividends and 1-digit divisors (including whole number quotients with remainders) using strategies based on place-value understanding, properties of operations, and the relationships between operations.
4.NR.2.5
Solve multi-step problems using addition, subtraction, multiplication, and division involving whole numbers. Use mental computation and estimation strategies to justify the reasonableness of solutions.
Grade 5 (whole-number problems)
5.NR.2.1
Fluently multiply multi-digit (up to 3-digit by 2-digit) whole numbers to solve authentic problems.
5.NR.2.2
Fluently divide multi-digit whole numbers (up to 4-digit dividends and 2-digit divisors no greater than 25) to solve practical problems.
5.NR.5.1
Write, interpret, and evaluate simple numerical expressions involving whole numbers with or without grouping symbols to represent actual situations.
Mathematical practices (all grades)
MP.1
Make sense of problems and persevere in solving them.Coded K.MP.1 through 5.MP.1 in the Georgia standards.
MP.4
Model with mathematics.Coded K.MP.4 through 5.MP.4 in the Georgia standards.
Common Core State Standards for Mathematics. The standard codes are listed here; read the official wording at corestandards.org.
Grade 2
2.OA.A.12.NBT.B.5
Grade 3
3.OA.A.33.NBT.A.2
Grade 4
4.OA.A.24.OA.A.34.NBT.B.44.NBT.B.54.NBT.B.6
Grade 5 (whole-number problems)
5.NBT.B.55.NBT.B.65.OA.A.1
New York State Next Generation Mathematics Learning Standards (2017, updated June 2019), quoted from the New York State Education Department document. New York’s Standard 1 (Analysis, Inquiry, and Design) follows the grade-level standards. The notes show where this game goes beyond or differs from a New York limit.
Grade 2
NY-2.OA.1a
Use addition and subtraction within 100 to solve one-step word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions.Game scope: one-step problems.
NY-2.NBT.5
Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.
Grade 3
NY-3.OA.3
Use multiplication and division within 100 to solve word problems in situations involving equal groups, arrays, and measurement quantities.
NY-3.NBT.2
Fluently add and subtract within 1,000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.Note: A range of algorithms may be used.
Grade 4
NY-4.OA.2
Multiply or divide to solve word problems involving multiplicative comparison, distinguishing multiplicative comparison from additive comparison. Use drawings and equations with a symbol for the unknown number to represent the problem.
NY-4.OA.3
Solve multistep word problems posed with whole numbers and having whole-number answers using the four operations, including problems in which remainders must be interpreted.
Represent these problems using equations or expressions with a letter standing for the unknown quantity.
Assess the reasonableness of answers using mental computation and estimation strategies including rounding.
Game scope: some problems have three steps, and the unknown is shown as ?. NY names a letter.
NY-4.NBT.4
Fluently add and subtract multi-digit whole numbers using a standard algorithm.
NY-4.NBT.5
Multiply a whole number of up to four digits by a one-digit whole number, and multiply two two-digit numbers, using strategies based on place value and the properties of operations. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models.
NY-4.NBT.6
Find whole-number quotients and remainders with up to four-digit dividends and one-digit divisors, using strategies based on place value, the properties of operations, and/or the relationship between multiplication and division. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models.
Grade 5 (whole-number problems)
NY-5.NBT.5
Fluently multiply multi-digit whole numbers using a standard algorithm.
NY-5.NBT.6
Find whole-number quotients of whole numbers with up to four-digit dividends and two-digit divisors, using strategies based on place value, the properties of operations, and/or the relationship between multiplication and division. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models.
NY-5.OA.1
Apply the order of operations to evaluate numerical expressions.
Standard 1: Analysis, Inquiry, and Design (Mathematical Analysis), Elementary level
Std 1 · KI 1
Abstraction and symbolic representation are used to communicate mathematically.
Students: use special mathematical notation and symbolism to communicate in mathematics and to compare and describe quantities, express relationships, and relate mathematics to their immediate environments.
Game scope: number sentences with ? for the unknown.
Std 1 · KI 3
Critical thinking skills are used in the solution of mathematical problems.
Students: explore and solve problems generated from school, home, and community situations, using concrete objects or manipulative materials when possible.
Game scope: market-day word problems, with a bar model for support.
Standard 1: Analysis, Inquiry, and Design (Mathematical Analysis), Intermediate level
Std 1 · KI 1
Abstraction and symbolic representation are used to communicate mathematically.
Students: extend mathematical notation and symbolism to include variables and algebraic expressions in order to describe and compare quantities and express mathematical relationships.
Game scope: the Grade 5 expression problem uses grouping symbols; the unknown is shown as ?, not as a variable.
Std 1 · KI 3
Critical thinking skills are used in the solution of mathematical problems.
Students: apply mathematical knowledge to solve real-world problems and problems that arise from the investigation of mathematical ideas, using representations such as pictures, charts, and tables.
Game scope: the bar model shows each situation as a picture.
New Jersey Student Learning Standards for Mathematics. The codes follow the Common Core numbering; read the official wording on the New Jersey Department of Education website.
Grade 2
2.OA.A.12.NBT.B.5
Grade 3
3.OA.A.33.NBT.A.2
Grade 4
4.OA.A.24.OA.A.34.NBT.B.44.NBT.B.54.NBT.B.6
Grade 5 (whole-number problems)
5.NBT.B.55.NBT.B.65.OA.A.1
North Carolina Standard Course of Study for Mathematics, quoted from the official 2023 Quick Reference Guides. The notes show where this game goes beyond or differs from an NC limit.
Grade 2
NC.2.OA.1
Represent and solve addition and subtraction word problems, within 100, with unknowns in all positions, by using representations and equations with a symbol for the unknown number to represent the problem, when solving:
One-Step problems:
Add to/Take from–Start Unknown
Compare–Bigger Unknown
Compare–Smaller Unknown
Two-Step problems involving single digits:
Add to/Take from–Change Unknown
Add to/Take from–Result Unknown
Game scope: one-step problems.
NC.2.NBT.5
Demonstrate fluency with addition and subtraction, within 100, by:
Flexibly using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.
Comparing addition and subtraction strategies, and explaining why they work.
Selecting an appropriate strategy in order to efficiently compute sums and differences.
Grade 3
NC.3.OA.3
Represent, interpret, and solve one-step problems involving multiplication and division.
Solve multiplication word problems with factors up to and including 10. Represent the problem using arrays, pictures, and/or equations with a symbol for the unknown number to represent the problem.
Solve division word problems with a divisor and quotient up to and including 10. Represent the problem using arrays, pictures, repeated subtraction and/or equations with a symbol for the unknown number to represent the problem.
Game scope: a few division problems have a quotient of 11, and NC stops at 10 (Georgia allows within 100).
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.
Grade 4
NC.4.OA.1
Interpret a multiplication equation as a comparison. Multiply or divide to solve word problems involving multiplicative comparisons using models and equations with a symbol for the unknown number. Distinguish multiplicative comparison from additive comparison.
NC.4.OA.3
Solve two-step word problems involving the four operations with whole numbers.
Use estimation strategies to assess reasonableness of answers.
Interpret remainders in word problems.
Represent problems using equations with a letter standing for the unknown quantity.
Game scope: some problems have three steps, and the unknown is shown as ?. NC names two-step problems and a letter.
NC.4.NBT.4
Add and subtract multi-digit whole numbers up to and including 100,000 using the standard algorithm with place value understanding.
NC.4.NBT.5
Multiply a whole number of up to three digits by a one-digit whole number, and multiply up to two two-digit numbers with place value understanding using area models, partial products, and the properties of operations. Use models to make connections and develop the algorithm.
NC.4.NBT.6
Find whole-number quotients and remainders with up to three-digit dividends and one-digit divisors with place value understanding using rectangular arrays, area models, repeated subtraction, partial quotients, properties of operations, and/or the relationship between multiplication and division.Game scope: some dividends are above 999 (up to 1,999). NC stops at three digits (Georgia allows four).
Grade 5 (whole-number problems)
NC.5.NBT.5
Demonstrate fluency with the multiplication of two whole numbers up to a three-digit number by a two-digit number using the standard algorithm.
NC.5.NBT.6
Find quotients with remainders when dividing whole numbers with up to four-digit dividends and two-digit divisors using rectangular arrays, area models, repeated subtraction, partial quotients, and/or the relationship between multiplication and division. Use models to make connections and develop the algorithm.
NC.5.OA.2
Write, explain, and evaluate numerical expressions involving the four operations to solve up to two-step problems. Include expressions involving:
Parentheses, using the order of operations.
Commutative, associative and distributive properties.
Game scope: the expression problem has three operations. NC names up to two-step problems.
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