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Which of these numbers is not a prime number?
A prime number has exactly two factors: 1 and itself. 85 is immediately disqualified: any number that ends in 5 has 5 as a factor.
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Place the following numbers in order from least to greatest:
First, use the tenths digit (the one to the right of the decimal point) to order the numbers.
The numbers with a 6 in the tenths place are smaller than the numbers with a 7 in the tenths place.
Then, use the hundredths place to order the numbers.
0.66 is smaller than 0.69 since 6 is smaller than 9.
0.70 is smaller than 0.71 since 0 is smaller than 1.
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Place the following numbers in order from smallest to largest:
For negative numbers, the bigger the value next to the negative sign, the smaller the number. For example, is smaller than
.
Use the tenths digit (the one to the right of the decimal point) to order the numbers:
The negative numbers with a in the tenths place are smaller than the numbers with a
in the tenths place.
Then, use the hundredths place to order the numbers:
is smaller than
since
is larger than
.
is smaller than
since
is larger than
.
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Which of the choices below lists ONLY examples of triangles?
isosceles: triangle with two equal sides and two equal angles
scalene: triangle with no equal sides and no equal angles
equilateral: triangle with three equal sides and three equal angles
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Use the given multiplication to find a pattern, and then solve the following:
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Define the set
Which of the following is a subset of ?
A subset of a set , by definition, is any set that contains no elements not in
. Each of the following subsets can be seen to have at least one such element, which is underlined here:
The remaining set can be seen to have only elements from :
This is the correct choice.
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Define two sets as follows:
How many elements are in ?
is the union of sets
and
- the set of all elements that appear in either
or
. These elements are:
which is a set with twelve elements.
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Order these objects from smallest to largest. The cloud is inches, the sun is
inches, and the moon is
inches.
When ordering objects from smallest to largest, you need to compare the numbers. The smallest number will be the smallest object. In this case, the number is smaller than
and
so the moon is the smallest object. The number
is smaller than
, so the sun is the next object. The number
is the biggest number, so the cloud is the largest object.
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Order these objects from smallest to largest. The dog is inches, the cat is
inches, and the snake is
inches.
When ordering objects from smallest to largest, you need to compare the numbers. The smallest number will be the smallest object. In this case, the number is smaller than
and
so the cat is the smallest object. The number
is smaller than
, so the dog is the next object. The number
is the biggest number, so the snake is the largest object.
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Order these objects from smallest to largest. The table is inches, the couch is
feet, and the room is
feet.
When ordering objects from smallest to largest, you need to compare the numbers. The smallest number will be the smallest object. In this case, the number is smaller than
and
so the table is the smallest object. The number
is smaller than
, so the couch is the next object. The number
is the biggest number, so the room is the largest object.
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Order these objects from smallest to largest. The bunny is inches, the kitten is
inches, and the dog is
inches.
When ordering objects from smallest to largest, you need to compare the numbers. The smallest number will be the smallest object. In this case, the number is smaller than
and
so the kitten is the smallest object. The number
is smaller than
, so the bunny is the next object. The number
is the biggest number, so the dog is the largest object.
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Order these objects from smallest to largest. The purse is inches, the suitcase is
inches, and the backpack is
inches.
When ordering objects from smallest to largest, you need to compare the numbers. The smallest number will be the smallest object. In this case, the number is smaller than
and
so the purse is the smallest object. The number
is smaller than
, so the backpack is the next object. The number
is the biggest number, so the suitcase is the largest object.
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Order these objects from smallest to largest. The blanket is inches, the bed in
inches, and the sheet is
inches.
When ordering objects from smallest to largest, you need to compare the numbers. The smallest number will be the smallest object. In this case, the number is smaller than
and
so the bed is the smallest object. The number
is smaller than
, so the blanket is the next object. The number
is the biggest number, so the sheet is the largest object.
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Order these objects from smallest to largest. The rug is inches, the towel is
inches, and the pillow is
inches.
When ordering objects from smallest to largest, you need to compare the numbers. The smallest number will be the smallest object. In this case, the number is smaller than
and
so the pillow is the smallest object. The number
is smaller than
, so the towel is the next object. The number
is the biggest number, so the rug is the largest object.
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Order these objects from smallest to largest. The coat is inches in length, the hat is
inches in length, and the mittens are
inches in length.
When ordering objects from smallest to largest, you need to compare the numbers. The smallest number will be the smallest object. In this case, the number is smaller than
and
so the hat is the smallest object. The number
is smaller than
, so the mittens are the next object. The number
is the biggest number, so the coat is the largest object.
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Order these objects from smallest to largest. The fireplace is inches, the mantel is
inches, and the couch is
inches.
When ordering objects from smallest to largest, you need to compare the numbers. The smallest number will be the smallest object. In this case, the number is smaller than
and
so the fireplace is the smallest object. The number
is smaller than
, so the mantel is the next object. The number
is the biggest number, so the couch is the largest object.
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Order these objects from smallest to largest. The square is inches, the triangle is
inches, and the rectangle is
inches.
When ordering objects from smallest to largest, you need to compare the numbers. The smallest number will be the smallest object. In this case, the number is smaller than
and
so the square is the smallest object. The number
is smaller than
, so the triangle is the next object. The number
is the biggest number, so the rectangle is the largest object
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Order these objects from smallest to largest. The heart is inches, the smiley face is
inches, and the lighting bolt is
inches.
When ordering objects from smallest to largest, you need to compare the numbers. The smallest number will be the smallest object. In this case, the number is smaller than
and
so the smiley face is the smallest object. The number 5 is smaller than
, so the heart is the next object. The number
is the biggest number, so the lighting bolt is the largest object.
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Order these objects from smallest to largest. The ladybug is inches, the bee is
inches, and the firefly is
inches.
When ordering objects from smallest to largest, you need to compare the numbers. The smallest number will be the smallest object. In this case, the number is smaller than
and
so the ladybug is the smallest object. The number
is smaller than
, so the bee is the next object. The number
is the biggest number, so the firefly is the largest object.
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