Groups & Arrays
3 groups of 5 equals?
15
Solve and convert to Division:
35- 5 - 5 -5 -5 -5 -5 - 5 =
35 ÷ 5 = 7
Solve multiplication problem:
7 x 8 = ____
56
Division is repeated subtraction?
TRUE!
Lines that cross or intersect
Intersecting Lines
7 groups of 7 equals?
49
Solve and convert to division:
54 - 9 - 9 - 9 -9 -9 - 9 =
54 ÷ 9 = 6
Solve multiplication problem:
6 x 9 = ____
54
The inverse (opposite) operation of multiplication is subtraction?
FALSE!
A shape with four sides
Quadrilateral
8 groups of 4 equals?
32
Solve and convert to multiplication:
8+8+8+8=___
8 x 4 = 32
Solve multiplication problem:
5 x 9 = ____
45
Multiplication is repeated addition?
TRUE
A shape with exactly one set of parallel sides
Trapezoid
10 groups of 3 equals?
30
(10 x 3 = 30)
Solve and convert to multiplication:
7+7+7+7+7+7=____
7 x 6 = 42
Solve multiplication problem:
8 x 4 = ____
32
Multiplication follows a number pattern?
TRUE!
Lines that cross but create a right (Square) angle
Perpendicular Lines
6 groups of 3 equals?
18
(6 x 3 = 18)
Solve and convert to multiplication:
4+4+4+4+4+4+4=___
4 x 7 = 28
Solve multiplication problem:
8 x 12 = _____
96
The inverse operation of Division is addition?
FALSE!
A shape with two sets of parallel lines, and four squares, but not all sides are equal.
Rectangle