Problem Solving

5.4 Problem Solving

Addition and Subtraction

How To

• Addition: https://learnzillion.com/lesson_plans/8182-solve-addition-problems-with-numbers-up-to-1-000-regrouping/
• https://www.khanacademy.org/math/arithmetic/arith-review-add-subtract/arith-review-adding-carrying/v/example-adding-with-carrying
• Subtraction: https://www.khanacademy.org/math/arithmetic/arith-review-add-subtract/arith-review-regrouping-3-dig/v/basic-regrouping-or-borrowing-when-subtracting-three-digit-numbers

Practice

Mild

• https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-add-sub-topic

Medium

• https://www.mrnussbaum.com/drag-and-drop-math/ (Addition, Subtraction, Multiplication, Division - Can choose )
• https://www.khanacademy.org/math/arithmetic/arith-review-add-subtract/arith-review-regrouping-3-dig/e/subtraction_4
• https://www.khanacademy.org/math/arithmetic/arith-review-add-subtract/arith-review-adding-carrying/e/addition_4

Spicy

• https://www.ixl.com/math/grade-5/fill-in-the-missing-digits

Multiplication

How To

• Standard Algorithm https://learnzillion.com/lesson_plans/8041-use-the-standard-algorithm-for-multiplication#lesson
• Partial Products https://learnzillion.com/lesson_plans/6075-use-an-area-model-for-multiplication-of-two-digit-numbers-by-two-digit-numbers

Practice

Mild

• 3 x 1 https://www.mathplayground.com/multiplication04.html
• Box multiplication: https://www.ixl.com/math/grade-5/box-multiplication

Medium

• 2 x 2 https://www.mathplayground.com/multiplication05.html
• 3 x 2 https://www.ixl.com/math/grade-5/multiply-2-digit-numbers-by-3-digit-numbers

Division

How To

• DMBS http://safeYouTube.net/w/SMXd
• http://safeYouTube.net/w/YMXd
• Dividing by 1 digit with no remainder https://www.khanacademy.org/math/arithmetic-home/multiply-divide/multi-digit-div/v/long-division-without-remainder
• Dividing by 1 digit with remainder https://www.khanacademy.org/math/arithmetic-home/multiply-divide/remainders/v/long-division-with-remainder-example
• Dividing by 2 digits
  • https://www.khanacademy.org/math/cc-fifth-grade-math/cc-5th-arith-operations/cc-5th-division/v/introduction-to-dividing-by-2-digits
  • https://www.khanacademy.org/math/cc-fifth-grade-math/cc-5th-arith-operations/cc-5th-division/v/dividing-2-digits-no-remainder

Practice

Mild

• Dividing by 1 digit with no remainder https://www.khanacademy.org/math/arithmetic-home/multiply-divide/multi-digit-div/e/division_1.5
• Dividing by 1 digit with no remainder https://www.khanacademy.org/math/arithmetic-home/multiply-divide/remainders/e/division_2

Medium

• Dividing by 2 digits https://www.khanacademy.org/math/cc-fifth-grade-math/cc-5th-arith-operations/cc-5th-division/e/division_3
• 1 or 2 digit divisor with dividend up to 4 digits http://mrnussbaum.com/divide-pal/

Word Problems

How To

• Multi-Step Word Problems https://learnzillion.com/lesson_plans/8651-solve-multi-step-word-problems-by-organizing-the-data/

Practice

Estimation

https://www.ixl.com/math/grade-4/estimate-sums-differences-products-and-quotients-word-problems

https://www.ixl.com/math/grade-5/estimate-sums-and-differences-of-whole-numbers

Single Step Word Problems

• http://www.sheppardsoftware.com/mathgames/wordproblems/bubblefunmathwordproblems.htm
• http://www.mathplayground.com/WordProblemsWithKatie1.html
• https://www.ixl.com/math/grade-4/addition-subtraction-multiplication-and-division-word-problems

Multi-step Word Problems

• https://www.mathplayground.com/mathhoops_Z1.html
• https://www.ixl.com/math/grade-5/multi-step-word-problems
• https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-mult-div-topic/cc-4th-multistep-word-problems/e/multi-step-estimation-word-problems