module 2 lesson 9
DESCRIPTION
Module 2 Lesson 9. Fluently multiply multi-digit whole numbers using the standard algorithm to solve multi-step word problems. Common Core Standards. - PowerPoint PPT PresentationTRANSCRIPT
Module 2 Lesson 9Fluently multiply multi-digit whole numbers using the standard algorithm to solve multi-
step word problems.
• 5.OA.2 Write simple expressions that record calculations with numbers, and interpret numerical expressions without evaluating them. For example, express the calculation “add 8 and 7, then multiply by 2” as 2 × (8 + 7). Recognize that 3 × (18932 + 921) is three times as large as 18932 + 921, without having to calculate the indicated sum or product.
• 5.NBT.5 Fluently multiply multi-digit whole numbers using the standard algorithm.
Common CoreStandards
Learning Targets
•I can fluently multiply multi-digit whole numbers using the standard algorithm to solve multi-step word problems.
Activate Knowledge
Write 45 tenths as a decimal
Activate Knowledge
Write 45 tenths as a word name
Activate Knowledge
Multiply 45 tenths by 102
Activate Knowledge
Write 4 tenths as a decimal
Activate Knowledge
Write 4 tenths as a word name
Activate Knowledge
Multiply 4 tenths by 102
Activate Knowledge
Divide 4 tenths by 102
Activate Knowledge
Write 3895 thousandths as a decimal
Activate Knowledge
Write 3895 thousandths as a word name
Activate Knowledge
Multiply 3895 thousandths by 103
Activate Knowledge
Write 3895 thousandths as a decimal
Activate Knowledge
Write 3895 thousandths as a word name
Activate Knowledge
Multiply 3895 thousandths by 103
Activate Knowledge
412 × 231 ≈ ____ × _____ = _____
Activate Knowledge
523 × 298 ≈ ____ × _____ = _____
Activate Knowledge
684 × 347 ≈ ____ × _____ = _____
Activate Knowledge
908 × 297 ≈ ____ × _____ = _____
Learn
Problem 1
An office space in New York City
measures 48 feet by 56 feet. If it
sells for $565 per square foot,
what is the selling price of the
office space?
Learn
Problem 2
Gemma and Leah are both jewelry
makers. Gemma made 106 beaded
necklaces. Leah made 39 more
necklaces than Gemma.Each necklace they make has exactly 104 beads on it. How many beads did both girls use altogether while making their necklaces?
Learn
Problem 2
Gemma and Leah are both jewelry
makers. Gemma made 106 beaded
necklaces. Leah made 39 more
necklaces than Gemma.At a recent craft fair, Gemma sold her necklaces for $14 each. Leah sold her necklaces for $10 more. Who made more money at the craft fair? How much more?
Practice
Review