# Number Twins

## Which math concepts are included?

• Use of Number Sense
• Problem Solving Skills

## Can be used at various grade and DOK levels!!

This app works well with any grade level. There are various standards that the app can meet and help students connect the new concept to.

DOK level: 2 or 3 (Skills/Concepts or Strategic Thinking)

2nd Grade: Add and subtract within 20. (2.OA.B.2) Fluently add and subtract within 20 using mental strategies. By the end of Grade 2, know from memory all sums of two one-digit numbers.

DOK level: 1 (Recall)

Grade 3: Solve problems involving the four operations, and identify and explain patterns in arithmetic. (3.OA.D.9)

DOK level: 2 (Skills/Concepts)

Grade 4: Generate and analyze patterns. (4.OA.C.5)

DOK level: 3 (Strategic Thinking)

Grade 5: Analyze patterns and relationships. (5.OA.B.3)

DOK level: 3 (Strategic Thinking)

Grade 6: Compute fluently with multi-digit numbers and find common factors and multiples. (6.NS.B.3)

DOK level: 4 (Extended Thinking)

## Pros

• User friendly
• Can be used by multiple ages for multiple purposes
• Identifies what number you have selected so you can find one that connects nearby

## Cons

• Dull Graphics could lead to user disinterest
• Lacks Consistency
• For DOK levels 3 and 4 the app could be too simple

## Higher Level Questions

• In the game we connect two numbers that create a sum of 10. What number patterns can we create that use three numbers to create 10?
• What did you find was the most effective strategy to eliminate all of the numbers?
• Why is this game beneficial for problem solving skills/ real life situations?