## A Valentine’s Bouquet

Subject: Mathematics, Problem Solving
Topics: Decimal OperationsThink BackwardsIdentify the VariablesSolve a Simpler Problem
Common Core State Standards: 2.OA.1 2.MD.8 4.MD.2 5.NBT.7 6.NS.3 6.EE.2a 6.EE.5 6.EE.6 6.EE.7 7.EE.1 7.EE.3 7.EE.4a 8.EE.7a A-CED.1

## Computer Problems

Subject: Mathematics, Problem Solving
Topics: GeometryMeasurement (general)ProbabilityStatisticsMulti-Step ProblemsBinary Operations
Common Core State Standards: 4.OA.2 6.RP.3c 7.EE.3 7.G.6 S-CP.1

## Counting Blood Cells

Subject: Mathematics, Problem Solving
Topics: Estimation
Common Core State Standards: 3.OA.1 3.OA.7 4.NBT.3

Subject: Mathematics, Problem Solving
Topics: StatisticsProbabilityLook for a PatternMake a GraphUse a Chart or Table
Common Core State Standards: 6.SP.1 7.SP.1 7.SP.6 8.SP.4 S-IC.2

## Mapping out the Stars

Subject: Mathematics, Problem Solving, Science, Technology
Topics: Space ExplorationSpace TravelParallax
Common Core State Standards: MP.1
Next Generation Science Standards (NGSS): Analyzing and Interpreting Data Using Mathematics and Computational Thinking

Subject: Problem Solving
Topics: Choose the Correct OperationsUse a Chart or Table
Common Core State Standards: 5.NBT.7 6.EE.2c 7.EE.1 7.EE.2 G-SRT.11 G-MG.3

## Peas in a Pod

Subject: Mathematics, Problem Solving
Topics: ArithmeticStatisticsCoordinate SystemsLook for a Pattern
Common Core State Standards: 6.SP.1 6.SP.2 6.SP.4

## The Forest and the Trees

Subject: Mathematics, Problem Solving
Topics: Problem SolvingRatios
Common Core State Standards: 6.RP.3

## Timber Cruise

Subject: Mathematics, Problem Solving
Topics: Problem Solving
Common Core State Standards: 8.G.9

## Tip Toss

Subject: Mathematics, Problem Solving, Science
Topics: Reasoning and CommunicationStatisticsVariablesUse a Chart or TableThe Nature of Science and Technology
Common Core State Standards: 1.MD.4 3.MD.3 4.MD.2 6.SP.1