Dot DroneGuild training kit · the Pre-Algebra review in the Guild Workshop

Hovers its dot into place: decimals.

Decimals

Decimals. In MathBound, the free Algebra I adventure game, Dot Drone asks these problems, and the only way past is to solve them.

Part of Pre-Algebra review: the Guild Workshop: an optional warm-up before Chapter 1.

10 questions, no sign-up, nothing saved. Climbs from the basics to harder questions.

What you will practice

Name and Write Decimals. Write a decimal in words.
Round Decimals. Round a decimal to the nearest tenth or hundredth.
Add and Subtract Decimals. Add or subtract positive decimals with same decimal places.
Multiply and Divide Decimals. Multiply two positive decimals.
Convert Forms. Convert a fraction to a decimal.

Made by the game’s own question engine. Try each one, then open its steps.

What

is

the

value

of

the

digit

2

in

3.294 ?

Show the worked steps

Answer: $0.2$

Gas

costs

$3.758

per

gallon.

What

is

that

to

the

nearest

cent?

Show the worked steps

$A$ $cent$ $is$ $a$ $hundredth$ $of$ $a$ $dollar,$ $so$ $round$ $to$ $two$ $places.$
$The$ $third$ $digit$ $is$ $8,$ $so$ $$3.758$ $rounds$ $to$ $$3.76 .$

Answer: $$3.76$

Subtract:

8.44 - 6.73

Show the worked steps

$Line$ $up$ $the$ $decimal$ $points$ $and$ $subtract,$ $borrowing$ $where$ $needed.$
$8.44 - 6.73 = 1.71 .$

Answer: $1.71$

Textbook	Lessons
Glencoe Algebra 1	0-4, 0-5
HMH Into Algebra 1	1.3
OpenStax Elementary Algebra 2e	1.7
Pearson Algebra 1 Common Core	1-5
Reveal Algebra 1	1-6