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Study Tools

Your pocket study kit — calculator, multiplication master, flashcards, focus timer & quick-reference charts. Works on any phone, anywhere. 💚

0

7 × 8 = 56

First number

Second number

Show the full 12 × 12 chart

Tap to flip7 × 8

Answer56

FOCUS TIME

25:00

The 25 & 5 rule: focus for 25 minutes, break for 5, repeat. Phone in another room during the 25! ✨

🔢 Order of Operations (PEMDAS)

Parentheses first ( )
Exponents (powers & square roots)
Multiplication & Division (left to right)
Addition & Subtraction (left to right)

"Please Excuse My Dear Aunt Sally" 💚

📐 Area, Perimeter & Volume

Shape	Formula
Rectangle area	A = length × width
Rectangle perimeter	P = 2 × (length + width)
Triangle area	A = ½ × base × height
Circle area	A = π × r²
Circle circumference	C = 2 × π × r
Box volume	V = length × width × height

½ Fractions ↔ Decimals ↔ Percents

Fraction	Decimal	Percent
1/2	0.5	50%
1/3	0.333…	33.3%
1/4	0.25	25%
3/4	0.75	75%
1/5	0.2	20%
1/8	0.125	12.5%
1/10	0.1	10%

² Squares & Square Roots (1–15)

n	n²	√(n²)
1	1	√1 = 1
2	4	√4 = 2
3	9	√9 = 3
4	16	√16 = 4
5	25	√25 = 5
6	36	√36 = 6
7	49	√49 = 7
8	64	√64 = 8
9	81	√81 = 9
10	100	√100 = 10
11	121	√121 = 11
12	144	√144 = 12
13	169	√169 = 13
14	196	√196 = 14
15	225	√225 = 15

📏 Measurement Conversions

This	Equals
1 foot	12 inches
1 yard	3 feet
1 mile	5,280 feet
1 pound	16 ounces
1 gallon	4 quarts
1 quart	2 pints = 4 cups
1 meter	100 centimeters
1 kilometer	1,000 meters
1 kilogram	1,000 grams
1 liter	1,000 milliliters
1 hour	60 minutes
1 minute	60 seconds

✏️ Parts of Speech (Grammar)

Noun — person, place, or thing (teacher, school, book)
Pronoun — replaces a noun (he, she, it, they)
Verb — action or state of being (run, learn, is)
Adjective — describes a noun (smart, green, tall)
Adverb — describes a verb (quickly, carefully)
Preposition — shows position/relation (in, on, under, before)
Conjunction — joins words or ideas (and, but, because)
Interjection — shows emotion (Wow! Hooray!)

🧠 Study Tips from Mrs. Barnes

Don't just re-read — recall. Close the book and say what you remember out loud.
Use the 25 & 5 rule. 25 minutes of focus, 5-minute break (try our Focus Timer!).
Teach it to someone. If you can explain it, you know it.
Mistakes are learning. Every wrong answer is your brain getting stronger. 💪
Sleep matters. Your brain saves what you studied while you sleep. 😴

Need more than tools?

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These tools are great for practice — but nothing beats a caring teacher who explains it your way. Sessions are just $35/hour through Labor Day.