Simple pre-algebra problems

Pre-Algebra Tutorial

Simple pre-algebra problems

Intro

This little segment shows a variety of different pre-algebra expressions simplified down into a logical mathematical answer.

Sample Problem

1) 78.781-3.18=
2) 236.99+48=
3) 3.5×0.88=
4) -64/0.8
5) square root 144
6) 20% of 89
7) 14^2

Solution

1) 78.781-3.18= can be rearranged as:

78.781
3.180
__________
75.601

2) 236.99+48 = 284.99

3) 3.5×0.88= 3.08

4) -64/.8= -51.2

5) square root of 144 = 12 x 12 = 12

6) 20% of 89= .2×89 = 17.8

7) 14^2= 196



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