Marvelous Multiplication
24 x 13
312
672 ÷ 6
112
Name a multiple of 9 that is greater than 80.
(infinite options; teacher approval)
List all the factors of 28.
1, 2, 4, 7, 14, 28
What is the only even prime number?
Solve using an Area Model:
46 x 18
828
Solve: 936 ÷ 4
234
What is the least common multiple of 6 and 8?
24
Name one factor of 42 that is greater than 6.
7, 14, 21, or 42
Is 37 prime or composite?
prime
Find the product of 125 × 6.
Use the distributive property to show your work.
(100 x 6) + (20 x 6) + (5 x 6)
600 + 120 + 30
750
A warehouse has 1,248 items packed equally into 6 boxes. How many items are in each box?
208 items in each box
List all multiples of 12 between 50 and 100.
60, 72, 84, 96
Which number has more factors: 32 or 36?
List them all for full credit.
36: 1, 2, 3, 4, 6, 9, 12, 18, 36
32: 1, 2, 4, 8, 16, 32
Is 51 prime or composite?
composite
A library orders 34 boxes of books. Each box has 12 books. How many books are ordered?
408 books are ordered.
Solve: 2,019 ÷ 8
252 R3
Is 144 a multiple of both 9 and 12? Explain.
Yes (9 × 16 = 144 and 12 × 12 = 144)
Find all factor pairs of 72.
1x72, 2x36, 3x24, 4x18, 6x12, 8x9
Is 121 prime or composite? Show your proof.
composite
1x121, 11x11
Solve: 97 × 24
Use 2 strategies within your team for full points.
2,328
A school receives 3,458 pencils and shares them equally among 9 classrooms. How many pencils does each classroom get, and how many are left over?
Each classroom gets 384 pencils, and there are 2 left over.
Find the smallest number greater than 100 that is a multiple of both 8 and 10.
120
A number has exactly four factors: 1, 2, 6, and itself.
What is the number?
12
1x12, 2x6
A number is greater than 50 and has exactly two factors. Is the number prime or composite?
prime; it only has 2 factors!