4th Grade Multiplication
12 x 3=
36
2 lines intersect in a right angle. What are these lines called?
Perpendicular lines
1/4 + 2/4=
3/4
4.5 + 0.20 =
4.70
Write this number in standard form
(4 x 10,000) + (3 x 100) + ( 6 x 10) + (1 x 1)
40, 361
8 x 8=
64
A right angle is at what degrees?
90 degrees
Change to an improper fraction.
2 1/8
17/8
34.6 - 2.14 =
32.46
Write this number in standard form:
3 ten thousands, 6 hundreds, 2 thousands, 6 ones
32, 606
300 X 70=
21,000
Acute
Change to a mixed number.
26/3
8 2/3
$1 + $0.35 + $23.50 =
$24.85
Write this number in standard form:
56 thousands, 34 hundreds, 20 tens
59, 600
2,525 x 4 =
10,100
A square has one side that is 32mm long. What is the perimeter of the square?
128 mm
Stella ate 5/2 oranges before she took her medicine and ate another 3/2 oranges afterward. How many oranges did she eat?
4 oranges
3.5 3.45 0.78 12.7 4.03
Write these decimals in order from least to greatest
0.78 3.45 3.5 4.03 12.7
Write this number in standard form:(5 x 1,000) + (4 x 10) + (7 x 0.1) + (3 x 100)
5, 340.7
42 x 67 =
2,814
A square has one side that is 32mm long. What is the area of the square?
1,024 square mm
Change to an improper fraction.
4 2/7
30/7
White this fraction as a decimal 45.07
45 7/100
What this number in standard form:
(5 x 100) + ( 2 x 1) + (7 x 1,000) + (8 x 0.01) + (4 x 10) + (1 x 0.01)
7,542.09