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    Owl Sensei Math Guide

    Scheduled Pinned Locked Moved Primary 5
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    • O Offline
      Owlsensei
      last edited by

      Wrote a topic on how to approach unchanged total question (Ratio). https://owlsensei.com/2020/07/18/p5-math-question-ratio-unchanged-total/

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      • O Offline
        Owlsensei
        last edited by

        Wrote a topic on how to approach unchanged total question (Ratio). https://owlsensei.com/2020/07/18/p5-math-question-ratio-unchanged-total/

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        • O Offline
          Owlsensei
          last edited by

          Math: Postage Rate

          https://owlsensei.com/2020/07/31/math-postage-rate/

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            Owlsensei
            last edited by

            Sam is 25 years old and his son is 5 yrs old now. In how many years will Sam be thrice as old as his son?


            Explanation and answers at https://owlsensei.com/2020/07/24/ratio-difference-unchanged-age/

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              Owlsensei
              last edited by

              The ratio of the number of girls to the number of boys on board the plane was 3:2. After another 26 girls and 26 boys boarded the plane at the transit stop, the ratio became 5:3. How many boy ands girls were there on the plane in the end?


              Explanation and solutions:https://owlsensei.com/2020/08/06/p5-math-ratio-constant-difference/

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              • O Offline
                Owlsensei
                last edited by

                Tom and Jerry had a number of cards in the ratio 3:8. Jerry and Mike had a number of cards in the ratio 2:1. If they had a total of 300 cards altogether, how many cards does Jerry have?


                Explanation and solutions: https://wordpress.com/block-editor/post/owlsensei.com/407

                Join my telegram for questions: http://t.me/owl_sensei

                Follow me on Facebook: https://www.facebook.com/Owl-Sensei-102495031550078/?eid=ARAoug4LeB9RC1i6JbQ0wHHXWRlb32DSab8GYpQHpZGL1yZRGhUM8BDV7znqOzOCqhtsZi8UGrtyG-nE

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                • O Offline
                  Owlsensei
                  last edited by

                  The ratio of the number of apples to the number of bananas in a basket was 3:2. After Tom ate 20 apples, the ratio became 1:4. How many apples and banana are there altogether in the end?


                  Explanation and solutions: https://owlsensei.com/2020/08/15/p5-math-ratio-external-unchanged/

                  Join my telegram for questions: http://t.me/owl_sensei

                  Follow me on Facebook: https://www.facebook.com/Owl-Sensei-102 ... 8UGrtyG-nE

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                    Owlsensei
                    last edited by

                    The average number of sweets Paul and his 5 siblings have is 30. If his 5 siblings have an average of 24 sweets each. How many sweets does Paul have?


                    https://owlsensei.com/2020/09/28/p5-math-average/

                    Explanation and solutions: https://owlsensei.com/2020/08/15/p5-mat ... unchanged/

                    Join my telegram for questions: http://t.me/owl_sensei

                    Follow me on Facebook: https://www.facebook.com/Owl-Sensei-102 ... 8UGrtyG-nE

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                      Owlsensei
                      last edited by

                      The average mass of a class of boys is 65kg. If Tim, who weighs 85kg joins the group, the new average mass of the group will become 60kg. Find the total number of boys in the class.


                      Explanation and solutions: https://owlsensei.com/2020/10/04/p5-math-average-with-unknown-quantity/

                      Follow me on Facebook: https://www.facebook.com/Owl-Sensei-102 ... 8UGrtyG-nE

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