Multiply Decimal Fractions & Whole Numbers
Lesson Plans and Worksheets for Grade 5
Lesson Plans and Worksheets for all Grades
More Lessons for Grade 5
Common Core For Grade 5
Examples, solutions, videos and lessons to help Grade 5 students learn how to multiply decimal fractions by multi-digit whole numbers through conversion to a whole number problem and reasoning about the placement of the decimal.
Common Core Standards: 5.NBT.7, 5.OA.1, 5.OA.2, 5.NBT.1
New York State Common Core Math Module 2, Grade 5, Lesson 11
Worksheets for Grade 5
Lesson 11 Concept Development
Problems 1 - 3
7.38 × 41
8.26 × 128
82.51 × 63
1. Estimate the product. Solve using the standard algorithm. Use the thought bubbles to show your thinking. (Draw an area model on a separate sheet if it helps you.)
1.38 × 32 ≈ _____×_____= ______
1. Estimate the product. Solve using the standard algorithm. Use the thought bubbles to show your thinking. (Draw an area model on a separate sheet if it helps you.)
3.55 × 89 ≈ _____×_____=_______
2. Solve using the standard algorithm.
b. 147.83 × 67
3. Use the whole number product and place value reasoning to place the decimal point in the second
product. Explain how you know.
c. If 46 × 1,239 = 56,994 then 46 × 123.9 = ______________
5. A living room measures 24 feet by 15 feet. An adjacent square dining room measures 13 feet on each
side. If carpet costs $6.98 per square foot, what is the total cost of putting carpet in both rooms?
This video demonstrates how to multiply decimal fractions in the hundredths place.
1. Estimate the product. Solve using the standard algorithm. Use the thought bubbles to show your thinking. (Draw an area model on a separate sheet if it helps you.)
a. 2.42 × 12 ≈______ × ______ = _______b. 4.13 × 37 ≈ _______×______= _________ 4. A slice of pizza costs $1.57. How much does 27 slices cost?
Check out our most popular games!
Fraction Concoction Game:
Master fractions in the lab: mix, add, and subtract beakers to create the perfect concoction!
Fact Family Game:
Complete fact families and master the link between addition & subtraction and multiplication & division.
Number Bond Garden:
Clear the board by matching number pairs that sum to ten in this garden-themed mental math puzzle.
Online Addition Subtraction Game:
Practice your addition and subtraction skills to help the penguin find its mummy.
Penguin Solitaire:
Move all cards to the foundations to build four full sequences. There are two versions here: Penguin (Tuxedo) and Penguin (Original).
Sawayama Solitaire:
This is similar to the common Klondike Solitaire except for a few changes to make it more strategic.
Check out more Solitaire games here.
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