What is 250×10?
2,500 (Tip: Add one zero to the end when multiplying by 10)
Which number is larger: 0.6 or 0.45?
0.6 (Tip: Line up place values →0.60 vs 0.45)
Simplify the fraction 8÷4 to its simplest form
21
What digit is in the tenths place in the number 4.85?
8
How many inches are in 1 foot?
12 inches
What is 48×12?
576 (Break apart: 48×10=480, 48×2=96→480+96=576)
Solve: 5.2+3.4.
8.6
What is 1/5 + 2/5 ?
3/5
What is 3.5 X 10?
35
A box is packed with unit cubes. If it holds 3 layers of 10 cubes, what is the total volume of the box?
30 cubicunits (3 X 10)
Evaluate 144÷12.
12
Solve: 12.5−4.25.
8.25 (Tip: Add a placeholder zero to make 12.50−4.25)
Add 1/2 + 1/4
3/4
What is 420 ÷ 10?
42
What is the volume of a rectangular prism with length=4cm, width=2cm, and height=3cm?
24cm3
What is 525÷5?
105 (Tip: Remind students not to forget the place-holder zero in the tens place!)
Multiply: 0.4×0.2.
0.08 (4×2=8, then move decimal point 2 places left)
Convert the improper fraction 9/4 into a mixed number.
2¼
Write 10 X 10 X 10 using an exponent.
103
How many feet are in 3 yards? (1yard=3feet)
9 feet
Write 4,302 in expanded form
4,000+300+2
Sam bought a notebook for $3.75 and a pen for $1.50. He paid with a $10 bill. How much change does he get back?
$4.75 (Total spent = $5.25→$10.00−$5.25=$4.75)
What is 1/3 X 3/5?
3/15 or 1/5
What is 6.2 X 102?
620
A fish tank has a base area of 20 square inches and a height of 5 inches. What is its total volume?
100 inches3