Word problems can be tricky, and tricky problems can lead to frustration. Get help with Singapore Math's activities that teach students important math skills such as diagrams, number bonds, the counting on method, mental calculation, and other skills that help in solving common word problems. The book features one problem per page so as not to overwhelm students and step-by-step worked out solutions in the answer key. This Level 3 book covers topics such as addition, subtraction, multiplication and division of whole numbers; time; mass; money; and 2-part word problems. Level 3, Grade 4. 160 pages, paperback.