# Math 2.1

Mathematical process standards. The student uses mathematical processes to acquire and demonstrate mathematical understanding. The student is expected to:

- (1) Data analysis. The student applies mathematical process standards to organize data to make it useful for interpreting information and solving problems. The student is expected to:
- (2) explain that the length of a bar in a bar
graph or the number of pictures in a pictograph represents the number of data points for a given
category;
- (A) organize a collection of data with up to four categories using pictographs and bar graphs with intervals of one or more;
- (B) write and solve one-step word problems involving addition or subtraction using data represented within pictographs and bar graphs with intervals of one; and
- (C) draw conclusions and make predictions from information in a graph.
- (D) Personal financial literacy. The student applies mathematical process standards to manage one's financial resources effectively for lifetime financial security. The student is expected to:

- (3) calculate how money saved can accumulate
into a larger amount over time;
- (A) explain that saving is an alternative to spending;
- (B) distinguish between a deposit and a withdrawal;
- (C) identify examples of borrowing and distinguish between responsible and irresponsible borrowing;
- (D) identify examples of lending and use concepts of benefits and costs to evaluate lending decisions; and
- (E) differentiate between producers and consumers and calculate the cost to produce a simple item.
- (F) apply mathematics to problems arising in everyday life, society, and the workplace;
- (G) use a problem-solving model that incorporates analyzing given information, formulating a plan or strategy, determining a solution, justifying the solution, and evaluating the problem-solving process and the reasonableness of the solution;
- (H) select tools, including real objects, manipulatives, paper and pencil, and technology as appropriate, and techniques, including mental math, estimation, and number sense as appropriate, to solve problems;
- (I) communicate mathematical ideas, reasoning, and their implications using multiple representations, including symbols, diagrams, graphs, and language as appropriate;
- (J) create and use representations to organize, record, and communicate mathematical ideas;
- (K) analyze mathematical relationships to connect and communicate mathematical ideas; and
- (L) display, explain, and justify mathematical ideas and arguments using precise mathematical language in written or oral communication.

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#### CUBES - Problem Solving Strategy Poster

A poster showing the CUBES problem solving strategy.

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#### Math Word Problem Task Cards – Addition and Subtraction

20 one and two-step word problem task cards that focus on addition and subtraction.

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#### Subtraction with Regrouping - Printable Math Mat

Explore subtraction with regrouping using a printable subtraction math mat.

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#### Pandora's Party Palace Math Activity - Lower Level Version

16 mathematics problem solving task cards involving money in a real-world context.

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#### 10 Problem Solving Strategies Posters

Posters highlighting 10 problem solving strategies.

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#### Length Math Investigation - Which Airplane Flies Best?

A mathematics investigation about measuring distance, embedded in a real-world context.

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#### Linking Addition and Subtraction Worksheet

A worksheet designed to explore the relationship between addition and subtraction.

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#### Adding 2-Digit Numbers - Fall Math Task Cards

Celebrate the coming of Autumn and practice adding 2-digit numbers with this set of 18 task cards.

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#### Mental Math – Subtraction Flashcards

Build up your students' mental math skills with a set of 36 subtraction flashcards using one- and two-digit numbers.

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#### Open-Ended Math Problem Solving - Grades 1, 2, and 3 (PowerPoint Version)

A PowerPoint with 20 open-ended problem solving questions covering a range of mathematical concepts.

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#### Open-ended Math Problem Solving - Grades 1, 2, and 3 (Task Card Version)

A set of 20 open-ended problem solving task cards covering a range of mathematical concepts.

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#### 2-D Shape Math Investigation - My Crazy Playhouse!

A mathematics investigation involving 2-D shape, embedded in a real-world context.

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#### Math Thinking Sentence Starter Cards

Forty-two cards with math reflective sentence starters.

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#### MLK Day Hidden Message - Lower Grades

Practice addition and subtraction facts within 20 to uncover a meaningful quote.

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#### 2-Digit Addition Color by Number- Halloween Mystery Picture

Celebrate the coming of Halloween and practice adding 2-digit numbers up to 99 with a set of addition color by number worksheets.

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#### Fall Math Worksheets - Addition to 99

Celebrate the coming of Fall and practice adding 2-digit numbers up to 99 with a set of four Fall color-by-number worksheets.

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#### Thanksgiving Mystery Pictures - Addition to 99

Celebrate Thanksgiving and practice adding 2-digit numbers up to 99 with a set of four Thanksgiving-themed color-by-number worksheets.

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#### Color-by-Number Valentine's Day Addition Worksheet

Have fun with your Valentine’s Day Math practice with an addition color by number worksheet.

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#### Math Brain Teasers – Primary Grades

Challenge your first and second-grade students to solve these brain teasers with a set of 10 math word problems.

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#### Valentine Bingo - 2-Digit Addition and Subtraction Game

Add and subtract two-digit numbers to win this fun Valentine’s Bingo Game!

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#### Football Tarsia Puzzle - 2 Digit Addition

Print and assemble a football-themed tarsia puzzle to use when practicing two-digit addition skills.