Prime Number

MATH 4 A. DIVISION of WHOLE NUMBERS

B. DECIMALS a. PLACE VALUE of DECIMALS PLACE VALUE | Trillions | Billions | Millions | Thousands | Ones / Unit | Decimalpoint | .1 | .01 | .001 | HUNDRED | TEN | TRILLIONS | HUNDRED | TEN | BILLIONS | HUNDRED | TEN | MILLIONS | HUNDRED | TEN | THOUSANDS | HUNDREDS | TENS | ONES | | TENTHS | HUNDREDTHS | THOUSANDTHS | 5 | 8 | 9, | 6 | 1 | 2, | 7 | 4 | 5, | 6 | 1 | 8, | 3 | 2 | 5 | . | 1 | 6 | 2 |

b. READING and WRITING DECIMALS
---- activity ----- c. = =
COMPARING AND ORDERING DECIMALS * >
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Symbols used: greater than less than equal * Two (2) Types of Ordering: 1. Ascending order – from smallest to largest 2. Descending Order – from largest to smallest

d. ADDITION of DECIMALS Line the decimals up: | | | 1.452 | | | + | 1.3 | | | | | "Pad" with zeros: | | | 1.452 | | | + | 1.300 | | | | | Add: | | | 1.452 | | | + | 1.300 | | | | | | | | 2.752 |

e. SUBTRACTION of DECIMALS

f. MULTIPLCATION of DECIMALS

MULTIPLICATION PROPERTIES 1. Zero property – (ex: 4x0=0) 2. Commutative property – (Ex: 8x10=80 & 10x8=80) 3. Associative property – 4. Distributive property -- g. DIVISION of DECIMALS

h. SOLVING WORD PROBLEMS IN DECIMALS
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Solve the following word problems.
Julia cut a string 8.46 m long into 6 equal pieces. What is the length of each piece of string? m
The mass of a jar of sweets is 1.4 kg. What is the total mass of 7 such jars of sweets? kg
The watermelon bought by Peter is 3 times as heavy as the papaya bought by Paul. If the watermelon bought by Peter has a mass of 4.2 kg, what is the mass of the papaya? kg
There is 0.625 kg of powdered milk in each tin. If a carton contains