SKU: 39792294721

Singapore Math Dimensions Math Teaching Notes and Textbook Solutions 7A

Sale price$27.90 Regular price$31.00
Save 10%

Pay in installments of $7.75 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 1 - Aug 6

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Singapore Math Dimensions Math Teaching Notes and Textbook Solutions 7ADimensions Math Textbook 7A Chapter 1: Factors and Multiples 1. 1 Factors and Multiples A. Factors B. Multiples 1. 2 Prime Factorization and Exponential Notation A. Prime Factorization B. Exponential Notation 1. 3 Greatest Common Factor (GCF) 1. 4 Least Common Multiple (LCM) 1. 5 Square Roots and Cube Roots A. Square Roots B. Cube Roots In A Nutshell Extend Your Learning Curve Write In Your Journal Chapter 2: Real Numbers 2. 1 Idea of Negative Numbers

Dimensions Math® Textbook 7A

Chapter 1: Factors and Multiples

1.1 Factors and Multiples

A. Factors
B. Multiples

1.2 Prime Factorization and Exponential Notation

A. Prime Factorization
B. Exponential Notation

1.3 Greatest Common Factor (GCF)
1.4 Least Common Multiple (LCM)
1.5 Square Roots and Cube Roots

A. Square Roots
B. Cube Roots

In A Nutshell
Extend Your Learning Curve
Write In Your Journal

Chapter 2: Real Numbers

2.1 Idea of Negative Numbers and the Number Line

A. Negative Numbers
B. The Number Line
C. Absolute Value

2.2 Addition and Additive Inverse

A. Addition of Integers
B. Additive Inverse

2.3 Subtraction and Absolute Value of the Difference

A. Subtraction of Integers
B. Absolute Value of the Difference

2.4 Multiplication, Division, and Combined Operations of Integers

A. Multiplication of Integers
B. Division of Integers
C. Combined Operations of Integers

2.5 Rational Numbers

A. Definition
B. Addition and Subtraction of Rational Numbers
C. Multiplication and Division of Rational Numbers

2.6 Real Numbers and Use of Calculators

A. Real Numbers
B. Use of Calculators

2.7 Rounding Numbers to Decimal Places

A. Idea of Rounding
B. Rounding Numbers to Decimal Places

In A Nutshell
Extend Your Learning Curve
Write In Your Journal

Chapter 3: Introduction to Algebra

3.1 The Use of Letters in Algebra

A. The Use of Letters
B. Basic Notations in Algebra
C. Exponential Notation

3.2 Evaluation of Algebraic Expressions and Formulas

A. Evaluation of Algebraic Expressions
B. Formulas

3.3 Writing Algebraic Expressions to Represent Real-world Situations

In A Nutshell
Extend Your Learning Curve
Write In Your Journal

Chapter 4: Algebraic Manipulation

4.1 Like Terms and Unlike Terms
4.2 Distributive Law, Addition and Subtraction of Linear Algebraic Expressions

A. Use of Parentheses
B. Addition and Subtraction of Linear Algebraic Expressions

4.3 Simplification of Linear Algebraic Expressions
4.4 Factorization by Extracting Common Factors
4.5 Factorization by Grouping Terms

In A Nutshell
Extend Your Learning Curve
Write In Your Journal

Chapter 5: Simple Equations in One Variable

5.1 Simple Linear Equations in One Variable
5.2 Equations Involving Parentheses
5.3 Simple Fractional Equations
5.4 Forming Linear Equations to Solve Problems

In A Nutshell
Extend Your Learning Curve
Write In Your Journal

Chapter 6: Ratio, Rate, and Speed

6.1 Ratios Involving Rational Numbers

A. Meaning of Ratio
B. Simplification of Ratios
C. Ratio of Three Quantities
D. Problems Involving Ratios

6.2 Average Rate
6.3 Speed

A. Uniform Speed and Average Speed
B. Conversion of Units

In A Nutshell
Extend Your Learning Curve

Chapter 7: Percentage

7.1 Meaning of Percentage

A. Introduction
B. Expressing One Quantity as a Percentage of Another

7.2 Reverse Percentages
7.3 Percentage Increase and Decrease

A. Percentage Increase
B. Percentage Decrease

7.4 Discount and Sales Tax

A. Discount
B. Sales Tax

In A Nutshell
Extend Your Learning Curve
Write In Your Journal

Chapter 8: Angles, Triangles, and Quadrilaterals

8.1 Points, Lines, and Planes
8.2 Angles

A. Angles and Measurements
B. Types of Angles
C. Complementary, Supplementary, and Adjacent Angles
D. Properties of Angles

8.3 Perpendicular Bisectors and Angle Bisectors

A. Use of Compasses
B. Perpendicular Bisectors
C. Angle Bisectors

8.4 Triangles

A. Classification of Triangles
B. Construction of Triangles

8.5 Quadrilaterals

A. Types of Quadrilaterals
B. Properties of Special Quadrilaterals
C. Construction of Quadrilaterals

In A Nutshell
Extend Your Learning Curve
Write In Your Journal

Answers 

Note: The answer key in the first printing of Textbook 7A has some errors in it. Please download revised key from here. Please note that not all the answers are incorrect in the first printing answer key, and incorrect answers are highlighted in this corrected answer key. We apologize for the inconvenience caused. 

Click here to view Dimensions Math® Teaching Notes and Solutions 7A samples.

Dimensions Math® G6-8 Textbooks are designed for middle school students. Developed in collaboration between Star Publishing and Singapore Math Inc®, this series follows the Singapore Mathematics Framework and covers the topics in the Common Core State Standards.

The emphasis of this series is on empowering the students to learn mathematics effectively and independently. Depending on the topics covered, different approaches are adopted for the presentation of concepts to facilitate easy understanding by students to internalize concepts and instill in them an interest to explore the topics further.

Each book includes appropriate examples, class activities and diagrams to understand the concepts and apply them. IT skills and values are incorporated as appropriate.

Some features of this series include the following:

  1. Class activities which allow the student to learn mathematics through discovery. Some of the class activities make use of Geometer’s Sketchpad (available at keypress.com).
  2. Worked examples are followed by a similar question (Try It!) so that students can check if they have understood the concepts presented earlier.
  3. An exercise for each lesson including questions in the following sequence:
    • Basic Practice (simple questions involving a direct application of the concepts)
    • Further Practice (more challenging questions on direct application)
    • Maths@Work (questions that apply mathematical concepts to real-life situations)
    • Brainworks (questions involving higher order thinking or an open-ended approach to problems)
  4. Each chapter is followed by a review exercise; the Extend Your Learning Curve activity encourages students to explore mathematical concepts further or apply mathematics in real-life situations, with some questions requiring sentence or paragraph answers to encourage students to reflect on their learning experiences.
  5. The right margins contain remarks on important information, concepts or definitions covered earlier related to the current material to help students recall them, discussion questions, interesting puzzles or facts that are related to mathematics, and some website references.

The answer key at the back of the book provides answers to the Try It! and the problems in the exercises for the Basic PracticeFurther Practice, and Maths@Work questions. It does not include answers to the class activities or the Extend Your Learning Curve activities. 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 39792294721

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.7 ★★★★★
Based on 21 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
M
Verified Purchase
Maria Cross
Boise, US
★★★★★ 5
Great item
Size: USB C to Ethernet Adapter
Works like a charm. Easy set up.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
M
Verified Purchase
M&M
Omaha, US
★★★★★ 5
Overkill In A Good Way
Size: 1.5FT, Size: 1.5FT
Bought this UGREEN Cat 8 Ethernet cable to connect my router to my modem, and it works perfectly. Build quality is excellent — thick braided but bendable cable, solid connectors, and it clicks in snug. Definitely feels more durable than the cheap cables you usually get. Speeds are stable with no drops or lag, and setup was plug-and-play. The 1.5 ft length is perfect for short runs and keeps everything looking neat instead of having extra cable everywhere. Is Cat 8 probably more than most people need? Yeah, as it is more than enough for home internet speeds of 1 to 2 gigs. But for its value, it’s nice to know it’s future-proof for many homeowners and the speeds currently offered by today’s ISPs. Would absolutely buy again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 31, 2026
P
Verified Purchase
pjbartley
Bozeman, US
★★★★★ 5
Glad I Bought the Better Cable
Size: 50FT
I originally looked at some cheaper Ethernet cables, but my son talked me into spending a little more for this one. I’m glad I listened. The cable feels well made, and the braided design seems sturdy. I bought it for my fiber internet setup so I could have a reliable wired connection to my laptop. It has worked perfectly. I plugged one end into the router and the other end into my adapter, and that was it. No issues, no disconnects, and no problems. Sometimes it is worth paying a little more for something you only want to buy once. This cable was worth it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 2, 2026
J
Verified Purchase
Jim N.
Boise, US
★★★★★ 5
A Must if you have Fiber internet!!!
Size: 10FT
I recently got fiber internet installed and decided to upgrade my Ethernet cable from Cat 7 to this UGREEN Cat 8 cable—mostly just because I wanted to make sure my network setup was fully up to date. I honestly wasn't expecting much of a difference, but I was surprised to see over a 20% increase in speed after swapping out the cable. The cable itself is extremely high quality. The braided exterior feels durable and premium, and the connectors are solid and well-made. Everything about it gives the impression of a quality product designed to last. Whether the speed improvement was due to my previous cable or not, I'm very happy with the results. For anyone upgrading their network, especially with fiber internet, this was a worthwhile upgrade and well worth the money.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 7, 2026
D
Verified Purchase
DeLawders
San Leandro, US
★★★★★ 5
UGREEN Cat 8 6FT Braided – Finally a short cable that actually hits 40 Gbps in real life
Size: 6FT
⭐⭐⭐⭐⭐ UGREEN Cat 8 6FT Braided – Finally a short cable that actually hits 40 Gbps in real life I have a 10 Gbit NAS (Synology DS1823xs+) sitting right behind my gaming PC, and every “Cat8” cable I tried before this one was either stiff boat-anchor thick or straight-up lied about speed. This UGREEN 6 ft braided version is the first one that actually delivers. Real-world tested speeds iperf3 PC ↔ NAS: sustained 39.4 Gbps bidirectional (that’s ~4.9 GB/s) Large 4K/8K file transfers: 4.7–4.8 GB/s steady, no drops Zero packet errors after 48 hours of torture testing Build quality & practicality Flat braided jacket is super flexible, looks premium, and doesn’t turn into a tangled mess like round Cat8 cables Gold-plated contacts, double shielding, and it passes a Fluke DSX-8000 Cat8 Channel test (yes, I’m that guy) Perfect 6 ft length, no excess coil behind the desk causing signal reflections Snagless boot actually works, no more broken clips Why I love it for desktop use Runs cool even at full 40 Gbps load (barely warm) Way less stiff than the usual shielded Cat8 firehoses, easy to route under a desk or through a cable sleeve Latency is stupid low: 0.22 ms average to my NAS vs 0.45 ms on my old Cat6a round cable Only “con” (and it’s tiny): it’s flat, so if you’re one of those people who religiously wants perfectly round cables for aesthetics, you might not like it. Everyone else on planet Earth will think it looks cleaner anyway. For $14, this is the best short-hop 40 Gbps cable on Amazon, bar none. Already replaced every 1–10 ft run in my office with these. If you have 10G+ gear sitting close together and you’re still using Cat6 or stiff Cat8, do yourself a favor and grab a couple. You’ll instantly feel the difference. 10/10 – UGREEN absolutely crushed it with this one.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 12, 2025

recommand products