Welcome to Space Academy

The Strategy: Breaking it Down

Multiplying double digits can seem scary, but it's just breaking things into smaller pieces.

Example: 14 × 5

• Step 1: Break 14 into tens and ones (10 + 4).
• Step 2: Multiply the tens: 10 × 5 = 50.
• Step 3: Multiply the ones: 4 × 5 = 20.
• Step 4: Add them back together: 50 + 20 = 70.

The Strategy: Line Up the Dots

When adding decimals, the most important rule in the universe is to line up the decimal point.

• Think of the left side as dollars (Whole numbers).
• Think of the right side as dimes (Tenths).
• Always add the tenths first!

The Strategy: Finding the Area

Area measures the flat 2D space inside a shape.

Formula: Area = Length × Width

• Look at the dimensions of the rectangular hull breach.
• If it is 6 meters long and 4 meters wide...
• Multiply the two sides: 6 × 4 = 24 square meters.

The Strategy: Order of Operations

Math has strict traffic laws. If you do operations in the wrong order, the spaceship crashes.

Rule: Parentheses always go first!

• Problem: 3 × (4 + 2)
• Step 1: Look inside the brackets. 4 + 2 = 6.
• Step 2: Replace the brackets with your new number. The problem is now 3 × 6.

The Strategy: Multi-Step Logic

Real life gives you situations, not equations. You have to translate English into Math.

• Step 1: Find the total amount you started with by multiplying (Number of boxes × items per box).
• Step 2: Subtract the items that were broken or lost.

The Strategy: Adding Fractions

Fractions tell us about parts of a whole. The bottom number (Denominator) is the size of the slice. The top number (Numerator) is how many slices you have.

Rule: If the bottoms match, just add the tops!

• Example: 2/8 + 3/8
• The slices are the same size (eighths).
• Just add 2 + 3. The answer is 5/8.

The Strategy: Dividing by Tens

When you divide a number ending in zeros by 10, 100, or 1000, you are shifting its place value down.

Trick: Cancel out the zeros!

• Example: 4500 ÷ 100
• 100 has two zeros.
• Remove two zeros from 4500.
• The answer is 45.

The Strategy: Calculating Volume

Area is 2D, but Volume is 3D! It tells us how much stuff can fit inside a box.

Formula: Volume = Length × Width × Height

• Step 1: Multiply the Length and Width to find the base.
• Step 2: Multiply that answer by the Height.
• Example: 3 × 2 × 4 = 24 cubic units.

The Strategy: Estimation

When calculating star distances, we often round to the nearest hundred to make the math easier.

Rule: Five or more, let it soar! Four or less, let it rest!

• Rounding 462 to the nearest 100:
• Look at the tens place (the 6).
• Because 6 is five or more, round UP to 500.

The Strategy: Multiplying Decimals by 10

When you multiply a decimal by a power of 10, the number gets bigger, so the decimal point moves to the RIGHT.

Rule: Count the zeros!

• Example: 3.45 × 10
• 10 has one zero.
• Move the decimal one spot to the right.
• The answer is 34.5.