Grade 3 Math Unit10.4 Multiply to Find Area - and Find a Missing Side

Your child can already find a rectangle's area by multiplying its two sides. This lesson runs that multiplication BOTH ways. Buddy the Bear reads an area off the sides fast, then turns it around: when you know the area and only one side, the missing side is the number that multiplies with the one you can see to make the area. Then two plots of land stand side by side and the bigger one is decided by multiplying, never by counting squares. WHAT IS IN THIS LESSON (Unit 10.4, multiply to find area) Part 1 hello from Buddy - we already know rows x columns, now we use it Part 2 review: read the area from the two sides without counting Part 3 the new move: know the area and one side, find the missing side Part 4 run the multiplication backwards - area divided by the side you see Part 5 compare two floors: multiply each, the bigger product wins Part 6 practice: area of rectangles Part 7 practice: find a missing side length when given the area Part 8 practice: compare areas by multiplying, then what we learned CHAPTERS 0:00 Hello from Buddy: we can already multiply, now we use it 0:50 Review: read the area from the two sides 2:25 The new move: find the missing side 4:28 Compare two floors by multiplying 5:31 Practice: area of rectangles 7:09 Practice: find a missing side when given the area 8:48 Practice: compare areas by multiplying 10:17 What we learned today