Multiplying Decimals
0.4 × 0.7 = ?
0.28
756 ÷ 27
28
What is the sum of the first six even numbers greater than 30?
Even numbers: 32, 34, 36, 38, 40, 42
Sum = 222
Lily is #8 from the front and #12 from the back.
How many students are in the line?
19
8 + 6 × 3²
3² = 9
6 × 9 = 54
8 + 54 = 62
3.2 × 0.5
1.6
864 ÷ 24
36
What is the sum of the first five odd numbers greater than 10
Odd numbers: 11, 13, 15, 17, 19
Sum = 75
Alyssa averaged 16 points per game for her first 10 games. In her next 3 games, she only scored 12 points each game.
She averaged 16 points for her first 10 games:
10 × 16 = 160
She scored 12 points in each of the next 3 games:
3 × 12 = 36
Add them together:
160 + 36 = 196
(4 + 5)² – 12 ÷ 3
4 + 5 = 9
9² = 81
12 ÷ 3 = 4
81 – 4 = 77
0.5696
945 ÷ 35
27
What is the sum of the first eight even numbers greater than 50
Even numbers: 52, 54, 56, 58, 60, 62, 64, 66
Sum = 472
You have 18 square tiles.
How many different rectangles can you make using all 18 tiles?
Factor pairs of 18:
These are all the possible dimensions of a rectangle.
✔ Total different rectangles: 3
20 – 2 × 3²
3² = 9
2 × 9 = 18
20 – 18 = 2
12.34 × 0.56
6.9104
1,176 ÷ 28
42
What is the sum of the first seven odd numbers greater than 5?
Odd numbers: 7, 9, 11, 13, 15, 17, 19
Sum = 91
The sum of two different numbers is 50, and the difference between them is 20.
What is the larger number?
35
(3² + 4²) × 2 – 6
3² = 9
4² = 16
9 + 16 = 25
25 × 2 = 50
50 – 6 = 44
0.008 × 3.75
0.03
1,260 ÷ 36
35
What is the sum of the first ten odd numbers greater than 75
Odd numbers: 77, 79, 81, 83, 85, 87, 89, 91, 93, 95
Sum = 860
Farmer Green sold his apples for $1.20 per pound at the produce stand.
He brought 18 crates of apples, and each crate weighed 25 pounds.
How much money did he make from selling all the apples?
Step 1: Find total pounds of apples
18 crates × 25 pounds each =
450 pounds
Step 2: Multiply by price per pound
450 pounds × $1.20 =
$540
48 ÷ (2² × 3) + 5²
2² = 4
4 × 3 = 12
48 ÷ 12 = 4
5² = 25
4 + 25 = 29