Week 4 POW Answer

The answer is 25 for the first question and the crossings follow the pattern 2 gnomes across, 1 gnome back, I ogre across, 1 gnome back, 2 gnomes across...cont.)

Multiplication Strategies

Common Core Standard 4.OA.1: Interpret a multiplication equation as a comparison, e.g., interpret 35=5x7 as a statement that 35 is 5 times as many as 7 and 7 times as many as 5. Represent verbal statements of multiplicative comparisons as multiplication equations.

Prime and Compostie Numbers

 

Common Core Standard 4.OA.4: Find all the factor pairs for a whole number in the range 1-100. Recognize that a whole number is a multiple of each of its factors. Determine whether a given whole number in the range 1-100 is a multiple of a given one-digit number. Determine whether a given whole number in the range 1-100 is prime or composite.

Factors/Factor Pairs

 

Common Core Standard 4.OA.4: Find all the factor pairs for a whole number in the range 1-100. Recognize that a whole number is a multiple of each of its factors. Determine whether a given whole number in the range 1-100 is a multiple of a given one-digit number. Determine whether a given whole number in the range 1-100 is prime or composite.

Multiplication/Division Strategies

 

Common Core Standard 4.OA.1: Interpret a multiplication equation as a comparison, e.g., interpret 35=5x7 as a statement that 35 is 5 times as many as 7 and 7 times as many as 5. Represent verbal statements of multiplicative comparisons as multiplication equations.

 

Common Core Standard 4.OA.2: Multiply or divide to solve word problems involving multiplicative comparison, e.g., by using drawings and equations with a symbol for the unknown number to represent the problem, distinguishing multiplicative comparison from additive comparison.

June 13th POW Answer

64 Cherries

June 6th POW Answer

The "million mystery" number is 9,687,534.