Page 7 - Math,prim3 flip book
P. 7
Delta Modern Language Schools
Primary stage
Math department
st
Grade 3 (1 term 2024/2025)
4) Multiple of 5. (Skip count by 5s.)
5 , 10 , 15 , 20 , ….
5) Multiple of 6. (Skip counting by 5s then add one more group of second factor)
Any number multiple of 2 and 3 is multiple of 6
Ex. 6 × 7 = ……. 5 × 7 = 35 , 35 + 7 = 42
6) Multiple of 7. (Multiply by 5 and 2 then add the products together)
EX. 7 × 4 = …... 4 × 5 = 20 , 4 × 2 = 8 then 20 + 8 = 28
7) Multiple of 8. (Double 4 times)
Ex. 8 × 6 = …... 6, 12, 24, 48
8) Multiple of 9. (Use finger trick)
6 | P a g e