Download Advanced Math - Unit 1 – “Stuff” I Need to Know

Math - Unit 1A – “Stuff” I Need to Know
Learning Target 1: Add & subtract decimals
Example 1A: Find each sum or difference.
7.08 + 4.5 + 13.27
24.85
Example 1B: Calculate.
6 – 0.7
5.3
7.62 + 0.563
8.183
Allen bought a box of envelopes for $2.79 and a pack of paper for $4.50. He paid with a $10 bill.
How much change should he receive?
$2.71
Learning Target 2: Multiply decimals
Example 2A: Find each product.
4 x 2.36
9.44
Example 2B: Calculate.
0.5 x 1.73
0.865
0.6 x 0.012
0.0072
A deli charges $3.45 for a pound of turkey. If Tim wants to purchase 2.4 pounds, how much will it
cost?
$8.28
Learning Target 3: Divide whole numbers
Example 3A: Find each quotient.
736 ÷ 8
92
Example 3B: Calculate.
12,045 ÷ 3
4,015
424 ÷ 4
106
A class has 13 boys and 15 girls. When divided into 4 teams of equal size, how many students are
each team?
7 students on each team
Learning Target 4: Divide decimals by whole numbers
Example 4A: Find each quotient.
0.75 ÷ 5
0.15
Example 4B: Calculate.
2.52 ÷ 3
0.84
1.38 ÷ 6
0.23
Ethan and two of his friends are making a sculpture using balloons, strips of paper, and paint. The
materials cost $11.61. If they share the cost equally, how much should each person pay?
$3.87
Learning Target 5: Divide decimals by decimals
Example 5A: Find each quotient.
3.6 ÷ 1.2
3
Example 5B: Calculate.
8.2 ÷ 0.5
16.4
13.2 ÷2.2
6
Marcus drove 354.9 miles in 6.5 hours. On average, how many miles per hour did he drive?
54.6 miles per hour
Learning Target 6: Find the Greatest Common Factor (GCF) of two whole numbers less
than or equal to 100
Example 6A: Find the GCF of each set of numbers.
10 and 35
5
Example 6B: Calculate.
9, 36, and 81
9
16, 48, and 72
8
Ms. Kline makes balloon arrangements. She has 32 blue balloons, 24 yellow balloons, and 16
white balloons. Each arrangement must have the same number of each color. What is the
greatest number of arrangements that Ms. Kline can make if every balloon is used?
8 arrangements
Learning Target 7: Find the Least Common Multiple (LCM) of two whole numbers less
than or equal to 12
Example 7A: Find the LCM of each set of numbers.
3 and 5
15
Example 7B: Calculate.
6 and 16
48
3, 5, and 9
45
Pencils are sold in packs of 12, and erasers in packs of 9. Mr. Joplin wants to give each of 36
students a pencil and an eraser. What is the least number of packs he should buy so there are
none left over?
3 packs of pencils & 4 packs of erasers
TEST: