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Step-3

Title: Determine the value of an expression

Grade: 7-b Lesson: S3-L4

Explanation: Hello Students, time to practice and review the steps for the problem.

Lesson Steps

Steps	Problem	Solution
1	Determine the value of an expression at \$l = 1 & m = 4 & n = -1 \$	\$ lmn \$
2	Now substitute the values of l,m and n in the expression	\$ (1)(4)(-1) \$
3	After multiplication	\$ -4 \$
4	Answer	D : \$ -4 \$

Steps

Problem

Solution

Determine the value of an expression at
\$l = 1 & m = 4 & n = -1 \$

\$ lmn \$

Now substitute the values of l,m and n in the expression

\$ (1)(4)(-1) \$

After multiplication

\$ -4 \$

Answer

D : \$ -4 \$