4th grade multiplication strategy
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This document describes a strategy for teaching 4th grade students how to multiply 2-4 digit numbers by 1 digit numbers using place value disks. The strategy involves decomposing the numbers, creating a place value chart, representing the problem with disks, and showing multiplication by arranging the disks and writing the numbers. Students can build their understanding of place value and regrouping by using the disks to model standard multiplication algorithms. While time-consuming, this approach helps students comprehend the steps in the standard written algorithm.
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Multiplication ppt
1) Multiplying numbers can be done by breaking them into simpler factors and distributing multiplication across addition.
2) Doubling multiplication tables allows calculating unknown products, like doubling the 6 times table to find 7 x 12.
3) Using multiples of 10 near the numbers being multiplied allows calculating the product without fully multiplying, like using 8 x 20 to find 8 x 19.
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Here are the steps to round each number as indicated in Exercise 3.2 on pages 105 and 106:
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d. 0.698 to 2 decimal places is 0.70
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The document is a curriculum guide for 4th grade mathematics that outlines the key concepts and standards for Unit 1 on factors, multiples, and arrays involving multiplication and division. The unit focuses on helping students understand relationships between multiplication and division and strategies for solving word problems using the four operations. It provides examples of how students can find factor pairs, determine if numbers are multiples, and identify prime and composite numbers between 1-100. The unit aims to build students' abstract reasoning skills and ability to model mathematical concepts.
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3) Examples show using the poem to round 978 to the nearest ten (980) and 327 to the nearest hundred (300).
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Dr. Molly Dyer
Standard #
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MAFS.5.NBT.2.5
Fluently multiply multi-digit whole numbers using the standard algorithm (DOK1)
MAFS.5.NBT.2.6
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2.0
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1) Descriptions of the key concepts covered in each week such as sorting attributes, ordering, patterning for pre-number concepts and place value, numeration, mental computation for weeks 5-6.
2) Explanations of concepts, skills, and strategies for topics like sorting by attribute, number sense, numeration, mental computation, and place value.
3) Examples of teaching strategies and resources that could be used to teach topics such as patterning activities, assessing mental computation abilities, and using base 10 blocks/number lines for place value
lesson 5 adding 2 digit numbers
The document outlines the learning outcomes, assessment strategies, instructional plan, and assessment of student learning for a math lesson on addition of whole numbers up to 1000. It describes representing addition strategies concretely, pictorially, and symbolically, as well as estimating sums. The plan involves using place value cards, ten frames, and a tens-ones mat to build numbers and add with regrouping. Student understanding will be assessed through observation, problem solving, and explaining strategies.
Fundamental-Skills-in-Numeracy.pdf
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Maths at our school
This document summarizes the math curriculum at the school from years 0-8. It is divided into 4 levels that cover different stages of strategic thinking. Level 1 covers years 0-2 and focuses on counting skills. Level 2 covers years 3-4 and introduces addition, subtraction and place value concepts. Level 3 covers years 5-6 and involves more advanced additive and early multiplicative strategies. Level 4 covers years 7-8 and focuses on proportional reasoning with multi-digit numbers and decimals. The document also outlines basic fact stages and how math is taught with a focus on place value, real-world problems, and the use of technology.
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Better mathematics workshop pack spring 2015: secondary
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Presentation math workshop#may 25th new
It was prepared for the staff of our school , in order to guide that how to make, teaching and leaning for Maths, interesting and fun .
To reduce boredom for kids and to relate the concepts with the nature and universe.
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4th grade multiplication strategy
- 1. 4th Grade Multiplication Strategy Using place value disks to represent multiplying 2 - 4 digit numbers by 1 digit numbers and to explain the standard algorithm.
- 2. Step 1 - Decompose the number being multiplied
- 3. Step 2 - Create a Place Value Chart
- 4. Step 3 - Represent the problem with place value disks
- 5. Step 4 - Represent multiplication with disks and numbers
- 6. Here’s How it works for a bigger number
- 7. Now let’s try one with regrouping
- 9. In Conclusion The Pros Using place value disks helps students build their understanding of place value. Decomposing the numbers shows students how they can use the associative property for paper and mental calculations. Regrouping using place value disks helps students understand what is happening when they begin to use the standard algorithm. The Cons Drawing the place value models is time consuming and if kids get confused drawing the disks they get errors. Find it online in Module 3 from Engage NY at https://www.engageny.org/resource/grade-4-mathematics