Place Value
Write 4,305 in expanded form.
4,000 + 300 + 5
60 x 7
420
True or False
70 x 9 = 9 x 70
True
List all factors of 12.
1, 2, 3, 4, 6, 12
Write half as a fraction and a decimal.
Fraction: 1/2
Decimal: 0.5
What is the place value and value of the digit 7 in 47,892?
7,000
3,204 × 4
12,816 (3,000×4 + 200×4 + 4×4)
Use the associative property to show that (2 × 3) × 5 and 2 × (3 × 5) give the same product.
6 x 5 = 30
2 x 15 = 30
30=30
Is 45 a multiple of 9?
Yes
Compare using >, <, or = : 0.75 ___ 3/4.
0.75 = 3/4 so 0.75 = 3/4 (so =)
Round 68,439 to the nearest thousand.
68,000
46 × 23
(46×20) + (46×3) = 920 + 138 = 1,058
Use the distributive property to find 8 × 27 by breaking 27 into tens and ones.
8×(20+7)=160+56=216
Find the greatest common factor (GCF) of 24 and 36.
12
A bakery made 248 muffins each day for 7 days. Use multiplication to find the total muffins made that week.
1,736
Five hundred ninety-two thousand, three hundred fourteen in standard form.
592,314
A classroom has 124 desks in each row and 8 rows. Find the total number of desks.
(100×8) + (20×8) + (4×8) = 800 + 160 + 32 = 992
Show two different groupings (associative or commutative) to compute 5 × 12 × 2.
(5×12)×2 = 60×2 = 120; 5×(12×2)=5×24=120
List the first five multiples of 7.
7, 14, 21, 28, 35
Write 305,009 in expanded form and in words.
300,000 + 5,000 + 0 + 0 + 9
three hundred five thousand, nine
Round 483,769 to the nearest ten thousand.
480,000
3,607 × 9
(3,607×10) - 3,607 = 36,070 - 3,607 = 32,463
Use the distributive property to compute 23 × 47.
23×47 = 23×(40+7)=920+161=1,081
Find all factor pairs of 72.
(1,72)
(2,36)
(3,24)
(4,18)
(6,12)
(8,9)
A teacher grouped 486 students into teams of 9. Determine how many teams and whether there is a remainder.
486 ÷ 9 = 54 exactly (9×54 = 486), so 54 teams, remainder 0.