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ToggleIf your child is answering subtraction problems with negatives, it may be because they’re interpreting subtraction as always yielding negative results when the second number is larger. It’s important to explain how subtraction works for both positive and negative results and ensure they understand basic rules of positive and negative number operations.

**13 squared** is $13^2 = 13 \times 13 = 169$ .

**3D shapes** in math are figures that have three dimensions: length, width, and height. Examples include cubes, spheres, cylinders, cones, and prisms.

This likely refers to the **6-8 Foundation/Higher GCSE Tier**, where students achieving grades 6, 7, or 8 are awarded corresponding GCSE grades. It refers to higher difficulty levels in the exam.

This seems to be part of a larger math problem involving a distance, perhaps in meters or a geometric context. Without more context, it’s unclear.

**7 squared** is $7^2 = 7 \times 7 = 49$ .

- $7 \times 7$ equals 49. So, $7^2 = 49$ .

An **angle bisector** is a line or ray that divides an angle into two equal parts.

A **basic solution** generally refers to the simplest form of a solution to an equation or problem.

A **multiples and factors chart** lists the factors of numbers and shows the multiples of numbers in a visual format, often used to teach multiplication and division concepts.

A **context** in math refers to the real-world or theoretical situation that a mathematical problem or concept is applied to.

A **convention** in math refers to an agreed-upon way of doing something, like how we measure angles in degrees or label geometric shapes.

A **declarative sentence** in math is a statement that asserts something, such as **“5 is greater than 3”** or **“A triangle has three sides.”**

A **statistic** in math refers to a measure, such as the mean, median, or mode, that summarizes data.

In probability, an **independent event** is one where the outcome does not affect the other. A **dependent event** means the outcome of one event influences the outcome of another.

The **discriminant** in a quadratic equation $ax^2 + bx + c = 0$ is given by ${b}^{2}-4$ . It helps determine the nature of the roots.

A **divider** is a tool used in geometry to measure distances or create circles by drawing arcs.

The **domain** of a function is the set of all possible input values (usually $x$-values) for which the function is defined.

A **double negative** in math involves multiplying or dividing two negative numbers, which results in a positive.

A **function** is a rule that assigns each input exactly one output. It can be written as $f(x) = y$ , where $x$ is the input and $y$ is the output.

A **function** in math refers to a relationship between a set of inputs and outputs, where each input corresponds to exactly one output. You can find in-depth explanations in **PDF documents** like math textbooks or academic papers.

In simple terms, a **function** takes an input, performs some operation on it, and gives an output.

A **function table** lists input-output pairs, where each input corresponds to exactly one output, often shown in two columns.

A **good ACT Math score** is typically considered to be 26 or higher, depending on the college or university you’re applying to.

Courses like **M.Ed**, **M.Sc (Maths)**, or pursuing a **PG Diploma in Educational Technology** are good options after completing a B.Ed in Maths.

A good math IA topic should be original, relevant to your curriculum, and something you’re passionate about. Examples include **exploring the math behind music**, **cryptography**, or **patterns in nature**.

The **gradient** refers to the slope of a line or curve, typically representing how steep the line is.

A **homogeneous solution** to a differential equation is a solution where all terms are set equal to zero.

In math, a **limitation** could refer to a constraint or boundary condition on a problem, such as limits to the domain or range of a function.

A **math genius** is often referred to as a **mathematician**, **prodigy**, or **math whiz**.

A **null set** is a set that contains no elements, denoted as $\emptyset$.

A **number expression** is a mathematical phrase that can involve numbers, variables, and operations, but without an equals sign.

A **number set** refers to a collection of numbers that share a common property, such as the set of natural numbers $\mathbb{N}$ or integers $\mathbb{Z}$ .

A **number system** is a way of representing numbers, such as the **decimal system**, **binary system**, or **hexadecimal system**.

An **output** is the result of applying a function to an input value.

In math, a **period** refers to the length of one complete cycle of a repeating function, like the period of a sine wave.

A **perpendicular bisector** is a line that divides another line segment into two equal parts at a 90-degree angle.

A **plane** in math is a flat, two-dimensional surface that extends infinitely in all directions.

A **polygon** is a closed two-dimensional shape with straight sides, such as triangles, squares, and hexagons.

A **polynomial** is an algebraic expression made up of variables and constants, combined using addition, subtraction, multiplication, and non-negative exponents.

A **primary variable** is the main variable of interest in an equation or function, often denoted as $x$.

A **prime number** is a number greater than 1 that can only be divided evenly by 1 and itself. Examples are 2, 3, 5, and 7.

For 5th grade, a **prime number** is explained as a number with exactly two factors: 1 and itself.

For 6th grade, a **prime number** is described as a number that cannot be divided by any number other than 1 and itself without leaving a remainder.

In **KS2 (Key Stage 2)**, a **prime number** is taught as a number with no divisors other than 1 and itself.

On **Math Antics**, prime numbers are explained as numbers that only have two factors, 1 and the number itself.

A **prism** is a 3D shape with two identical bases connected by parallelogram faces.

A **prism** in maths is a solid figure with two parallel, congruent bases and faces that are parallelograms.

In math, **a** is pronounced based on the context, such as in algebra where $a$ might represent a variable.

A **pyramid** is a 3D shape that has a polygon base and triangular faces that meet at a single point (the apex).

A **ratio** compares two quantities by division, such as $3:2$ , meaning for every 3 units of one thing, there are 2 units of another.

A **ray** is a part of a line that starts at a point and extends infinitely in one direction.

According to **Math is Fun**, a **ray** starts at one point and goes on forever in one direction.

A **rectangular prism** is a 3D shape where all six faces are rectangles.

A **reference point** is a fixed point used to define the position of other points in space, often used in geometry or motion problems.

A **relative frequency table** shows the proportion of data that falls within each category compared to the total.

A **right prism** is a prism in which the lateral edges are perpendicular to the bases.

A **secular term** in differential equations refers to a term that grows without bound as time increases, often leading to instability in the system.

A **strip diagram** is a visual representation used in 3rd grade math to help students understand addition, subtraction, multiplication, and division.

In 4th grade math, a **strip diagram** is used to visually represent ratios or proportions to help students solve problems.

A **strip diagram** (or tape diagram) is a rectangular visual model used to represent parts of a whole and solve word problems.

A **T-chart** is a tool used to list factor pairs of a number by splitting the number into two columns for the factors.

A **three-figure bearing** is an angle measured clockwise from north, written as three digits (e.g., 045°).

A **translation** in math is a type of transformation that slides a figure in any direction without rotating or resizing it.

A **unique number** refers to a number that stands out due to certain properties, such as being a **prime** or having a **specific function**.

In **Math Antics**, a **unique number** may refer to a number that has distinct properties, such as a number that’s prime or perfect.

A **unit fraction** is a fraction with a numerator of 1, such as $\frac{1}{2}$ or $\frac{1}{3}$ .

A **universal set** contains all the elements under consideration, typically represented as $U$ .

A **whole number** is any non-negative integer, such as 0, 1, 2, 3, and so on.

A **word phrase** in math translates into a mathematical expression. For example, “the sum of a number and 5” becomes $x + 5$ .

**A2 Level Maths** is the second part of A-Level mathematics taken by students in the UK, following AS-Level.

In math, **ABCD** can refer to the vertices of a quadrilateral or the basis of a coordinate plane (typically labeled as points in geometry).

The **additive inverse** of a number is what you add to a number to get zero. For example, the additive inverse of 7 is $-7$ .

An **A** in International General Certificate of Secondary Education (IGCSE) math represents a high achievement in the subject.

An **A** in GCSE math signifies an excellent understanding of the subject.

**HeartMath’s Inner Balance** system helps track emotional balance and coherence using biofeedback, but isn’t specifically a math concept.

In 4th-grade math, an **array** is a set of numbers or objects arranged in rows and columns, often used to represent multiplication.

An **event** in probability is a specific outcome or set of outcomes from an experiment.

An **identity** in math is an equation that is true for all values of its variables, like $x + 0 = x$ or $\sin^2(x) + \cos^2(x) = 1$ .

On **BBC Bitesize**, an **identity** is an equation that holds true for all values of its variables.

An **identity sign** ( $\equiv$ ) is used to indicate that two expressions are identical for all values of the variables involved.

The **annual interest rate** is the percentage of the principal that is paid as interest over one year.

This is a **Windows dynamic-link library (DLL)** file that supports certain math functions in software applications.

**Applied math** involves the use of math principles in real-world applications, like **finance**, **engineering**, and **statistics**.

An **assumption** in math is a statement that is accepted as true for the purpose of making further calculations or proving a theorem.

Whether **math** or **science** is better depends on your interests. Math is the foundation for many scientific concepts, and both are highly interconnected.

**Bio-maths** refers to the combination of **biology and mathematics**, often used in fields like bioinformatics, systems biology, and medical research.

This is a classic riddle (answer: a newspaper). In math, **black and white** refers to clarity in logical reasoning.

**BYOD** stands for **Bring Your Own Device**, allowing students to use their own technology for learning math in the classroom.

**BYOD** in Grade 9 **CB (Central Board)** classrooms allows students to use their own devices for interactive learning activities.

**Calculus** is a branch of math that deals with **rates of change** (derivatives) and **accumulation** (integrals). Math itself is the study of numbers, shapes, and patterns.

**Chance** and **probability** in math measure the likelihood of an event occurring, expressed as a number between 0 and 1.

A **closed figure** is a shape that completely encloses a space, such as circles, triangles, or squares.

A **collection of information** in math refers to **data**, which can be used for analysis, statistics, and probability.

In **Montessori math**, the **short bead stair** is a manipulative used to teach children about the numbers 1 through 9.

**Congruent** in math means two shapes are identical in shape and size, even if their orientation is different.

Two triangles are **congruent** if all their sides and angles are equal.

**College-level math** typically refers to subjects like **algebra**, **calculus**, **statistics**, and **discrete mathematics**.

In math, **consistent** refers to a system of equations that has at least one solution.

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