Expressions & Order of Operations
Evaluate: 8 + 4 × 3
20
Start at 2 and add 4 each time. Give the next four terms.
6, 10, 14, 18
In 55,432, how many times greater is the value of the first 5 than the second 5?
10 times greater
Is 17 prime or composite? Explain.
326 × 24 = ?
7,824
Evaluate: 6 × (12 − 7) + 4
34
Pattern A starts at 0 and adds 3. Pattern B starts at 0 and adds 6. Complete the corresponding pairs after (0,0): (3, __), (6, __), (9, __).
(3,6), (6,12), (9,18)
Calculate: 4.27 × 100
427
List all factors of 24.
1, 2, 3, 4, 6, 8, 12, 24
4,368 ÷ 24 = ?
182
Evaluate: 48 ÷ [3 × (6 − 2)]
4
Pattern A: 5, 10, 15, 20, 25. Pattern B: 10, 20, 30, 40, 50. Describe the relationship.
Each term in Pattern B is twice the corresponding term in Pattern A.
Write six and three hundred seven thousandths as a decimal.
6.307
Which number is prime: 21, 29, 33, or 39?
29
18.75 + 6.89 = ?
25.64
Write an expression for: Add 9 and 7, multiply the sum by 4, then subtract 10.
4 × (9 + 7) − 10
Rule A is add 4, starting at 0. Rule B is add 12, starting at 0. What ordered pair represents the 5th nonzero terms?
(20, 60)
Compare using >, <, or =: 8.405 ___ 8.45
8.405 < 8.450
Decompose 60 into prime factors.
2 × 2 × 3 × 5
A school buys 36 boxes containing 248 pencils each. How many pencils did the school buy?
8,928 pencils
Without solving, explain the relationship between 5 × (24 + 16) and 24 + 16.
The first expression is 5 times as large as the second.
The ordered pairs (2,6), (4,12), (6,18), (8,24) are graphed. Describe the relationship between x and y.
y is 3 times x, or y = 3x.
Round 37.486 to the nearest hundredth.
37.49
A number has the prime factorization 2 × 2 × 2 × 3 × 5. What is the number?
120
A teacher has $84.60 to divide equally among 12 groups for project supplies. How much can each group spend?
$7.05