# Wiki-Teacher

## Triangle Flash cards

A set of triangle style flash cards for products between 4 and 144 and sums from 1 to 21.

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Created by:
sgilgore
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#### Content Area

• NVACS Mathematics

#### Resource Type(s)

• Miscellaneous

#### Course(s)

• No Courses Identified

#### Standard(s)/Course Objective(s)

• 4.OA.A.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 with a letter standing for the unknown quantity. Assess the reasonableness of answers using mental computation and estimation strategies including rounding.
• 4.NBT.B.4 - Fluently add and subtract multi-digit whole numbers using the standard algorithm.
• 4.NBT.B.4 - Fluently add and subtract multi-digit whole numbers using the standard algorithm.
• 4.NBT.B.4 - Fluently add and subtract multi-digit whole numbers using the standard algorithm.
• 2.OA.C.4 - Use addition to find the total number of objects arranged in rectangular arrays with up to 5 rows and up to 5 columns; write an equation to express the total as a sum of equal addends.
• NV 1.3.5a - Immediately recall and use addition and subtraction facts.
• 2.OA.A.1 - Use addition and subtraction within 100 to solve one- and two-step word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem. (See Glossary, Table 1.)
• 3.OA.A.3 - Use multiplication and division within 100 to solve word problems in situations involving equal groups, arrays, and measurement quantities, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem. (See Glossary, Table 2.)

#### Textbook Unit(s)

• No Textbook Units Identified

#### Tag(s)

• Learning Centers