Calculation
340 + 111 = 451. 451 is called the ____________.
Sum
This group of shapes ALWAYS has 4 sides.
Quadrilaterals
2 lines that cross each other at a point.
Intersecting lines
Angles that are more than 90 degrees.
Obtuse angles
If you have a rectangle that has one side that equals 12 inches and another side that equals 8 inches, what is the perimeter?
12 + 12 + 8 + 8 = 40 inches
500 - 250 = 250. 250 is called the _____________.
Difference
This shape has 4 equal sides and 4 right angles.
Square
2 lines that meet to form a right angle.
Perpendicular
Angles that equal 90 degrees.
Right angles
If you have a rectangle that has one side that is 16 inches and another side that is 10 inches. What is the area of this rectangle?
16 X 10 = 160 square inches. L X W = Area
20 X 20 = 400. 400 is called the _____________.
Product
This shape has 4 sides - 2 are long and 2 are short and also has 4 right angles.
Rectangle
2 lines that run side by side and will never cross.
Parallel
Angles that equal 180 degrees.
Straight angles
A proper fraction has the _______ number on top, and the _________ number on the bottom.
smaller; larger
1,000 ÷ 50 = 20. 20 is called the ___________.
Quotient
We used to call this shape a diamond in Kindergaten.
Rhombus
When a line is drawn on a shape and both halves are the same.
Symmetry
Angles that are smaller than 90 degrees.
Acute angles
A mixed number has a ________ number and a _________.
whole; fraction
Would you draw an array to help you solve addition and subtraction problems, or multiplication and division problems?
Multiplication and division
A quadrilateral (4-sided shape) with one pair of opposite sides that are parallel.
Trapezoid
A heart shape has how many lines of symmetry?
Do squares and rectangles have right angles or acute angles?
Right angles
An improper fraction has the _______ number on top, and the _________ number on the bottom.
Larger; smaller