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I can use what I know about place value and multiplication to solve multiplication problems. . November 8, 2012. Pop Quiz. Write a multiplication sentence and solve the following word problems. . Dacio is nine years old. His grandmother is eight times older. How old is his grandmother?
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I can use what I know about place value and multiplication to solve multiplication problems. November 8, 2012
Pop Quiz Write a multiplication sentence and solve the following word problems. Dacio is nine years old. His grandmother is eight times older. How old is his grandmother? Jair has one hundred thirty two pieces of candy to share with twelve classmates. How many pieces of candy does each classmate get? Demarcus studies three hours Monday through Thursday. How many hours does he study in all? 9 x 8 = 72 132 ÷ 12= 11 3 hours x 4 days = 12 hours
Lattice Method of Multiplication 1 6 What do I need to do to solve 16 x 23? 1 2 0 0 2 2 0 1 3 3 8 3 6 8 368
I Do • Checklist • Draw rectangle • Insert numbers • Draw lines • Make triangles • Multiply • Add • Drop unneeded zeros • Find answer • 756 x 7 √ √ 7 5 6 √ √ 1 √ 0 0 0 √ 0 0 √ 0 0 0 √ 4 3 4 7 5 9 5 2 5,292 2 9 2
We Do • Checklist • Draw rectangle • Insert numbers • Draw lines • Make triangles • Multiply • Add • Drop unneeded zeros • Find answer • 824 x 96 √ 2 8 4 √ √ √ 1 2 1 3 7 √ 7 9 √ x 2 8 6 √ 4 1 2 9 6 4 8 2 79,104 0 4 1
You Do • Checklist • Draw rectangle • Insert numbers • Draw lines • Make triangles • Multiply • Add • Drop unneeded zeros • Find answer 372 x 22 173 x 73 252 x 41 *1,924 x 145 8,184 12,629 10,332 278,980