Mary ate ( \frac18 ) of a cake. John ate ( \frac38 ) of the same cake. What fraction of the cake did they eat altogether?
Multiplying or dividing the numerator and denominator by the same number. my pals are here maths 3b workbook answers
✅ Check answers after completing a full exercise. ✅ Do: Discuss differences between your answer and the official one. ✅ Do: Use wrong answers as a signal to re-teach a concept. ❌ Don’t: Copy answers before trying the problem. ❌ Don’t: Assume the printed answer is correct – typos exist in all workbooks. ❌ Don’t: Skip the “Put On Your Thinking Cap!” problems – they build math competition skills. Mary ate ( \frac18 ) of a cake
When denominators are the same, add only the numerators. [ \frac27 + \frac37 = \frac2+37 = \frac57 ] Multiplying or dividing the numerator and denominator by
| If you are… | Recommended action | |-------------|--------------------| | | Buy the official “My Pals Are Here! Maths 3B – Teacher’s Guide” or “Answer Key Booklet” from Marshall Cavendish or SingaporeMath.com (approx $12–20). | | A student | Do not search for answers. Use the “Let’s Practice” worked examples in the textbook as your guide. Ask your teacher or parent. | | Homeschooling | Use the Home Instructor’s Guide – it contains answers plus teaching scripts. |
