4th Grade Math Expression

Introduction of 4th grade math expression:-

In mathematics, an expression is a finite combination of symbols that are well-formed according to the rules applicable in the context at hand. Symbols can designate values (constants), variables, operations, relations, or can constitute punctuation or other syntactic entities. The use of expressions can range from simple arithmetic operations like 3+ 5 x ((-2)^7 – 3/2) . (Source: Wikipedia)

Topics involves in 4th grade math expression:-


In 4th grade math expression to study the algebra expression in following types are used in algebra expression.

Variable expression
Variable expression using word
Expression using order of operation and parentheses.

Variable expression

In 4th grade math variable expression means to form a number and word in expression like as add, plus, greater, less than, increase, decrease etc.

For Example,

287 increased by x?

287 + x

Variable expression using word

In 4th grade math variable expression using word means the expression numbers and word are shows the sentence formation like as add, plus , greater ,less than ,decrease etc

For Example,

Haley earned 92 bonus points. Marisol earned b more bonus points than Haley. Choose the expression that shows how many bonus points Marisol earned.

92+b

Expression using order of operation and parentheses

In 4th grade math expression using order of operation and parentheses means to perform the arithmetic operations as addition, subtraction, multiplication and division.

For Example,

1 + 7 × 3 – 7 = 15.

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Example problems for 4th grade math expression


Problem 1:-

Solve expression using order of operation and parentheses 2 + 4 × 5 – 10?

Solution:-

Given 2+4x5-10

= 2+4x5-10

= 2+20-10

= 22-10

= 12

Problem 2:-

Solve expression using order of operation and parentheses (468 + 638) + (134 × 761) – 875 – 632?

Solution:-

Given (468 + 638) + (134 × 761) – 875 – 632

= (468 + 638) + (134 × 761) – 875 – 632

= 1106+101974-875-632

= 103080 – 243

=  102837


Practice problems for 4th grade math expression:-

Problem 1:-

Solve variable expression for 370 added to v.

Answer:-

V+370

Problem 2:-

Solve variable expression for 28 minus w.

Answer:-

28 –w

Problem 3:-

Solve variable expression for 703 increased by z.

Answer:-

703+z

Problem 4:-

Talia earned 64 bonus points. Jones earned d more bonus points than Talia. Choose the expression that shows how many bonus points Jones earned.

Answer:-

64+d