Multiplying Integers
-8*5
-40
-0.15*1.9
-0.285
Solve and Simplify:
2/3 * -3/4
-1/2
-9 + -25
-34
A positive or negative whole number.
Integer
-9*-7
63
-12.3*-2
24.6
Solve and Simplify:
-9 * -5/3
15
7 + -23
-16
When adding and subtracting decimals you must __________ the decimals.
line up
19*-10
-190
-7*0.05
-0.35
Solve and Simplify:
1 2/3 * -4 3/5
-11 1/2
-1/3 + -3/4
-1 1/2
When multiplying fractions you do not need a ________ ________.
common denominator
-17*-3
51
14.2*0.19
2.698
Solve and Simplify:
2 4/9 * 6/7
2 2/21
0.9-(-2.3)
3.2
How do you know how many decimal places are in the product of a decimal multiplication problem?
Count the number of digits after the decimal points in the original problem.
9*-8*-7
504
-0.3*9.1*-0.4
1.092
Solve and Simplify:
-9 * 1/8
-1 1/8
8.6+ (-7.2)
1.4
Draw the triangle and explain how to use it.
Answers may vary.