Math Counts 1

Front

What is the scoring system in the game played by Keri and her friends?

Back

The winner scores 8 points, second place scores 3 points, and last place scores 0 points.

Tags

CCSS.6.EE.B.6

Front

If Keri scored 20 points in 8 games, how can we determine how many games she finished last?

Back

By calculating the total points possible and subtracting the points she earned from the maximum possible points.

Tags

CCSS.6.RP.A.3B

Front

What is the total number of heads in a group of dogs and their owners if there are 20 heads?

Back

Each dog and owner has one head, so the total number of dogs and owners combined is 20.

Tags

CCSS.1.OA.A.1

Front

How do you calculate the total number of legs in a group of dogs and their owners if there are 64 legs?

Back

Each dog has 4 legs and each owner has 2 legs. The equation is 4d + 2o = 64, where d is the number of dogs and o is the number of owners.

Front

What is a four-sided figure called?

Back

A quadrilateral.

Tags

CCSS.2.G.A.1

Front

How many quadrilaterals can be formed using a set of lines?

Back

The number of quadrilaterals depends on the arrangement and intersection of the lines.

Tags

CCSS.5.G.B.4

Front

What does the equation ADD + ADD + ADD = SUMS represent in terms of digits?

Back

Each letter represents a different digit, and the equation must hold true when the digits are substituted.

Front

What is the significance of A being an even number in the equation ADD + ADD + ADD = SUMS?

Back

It restricts the possible values for A, which can only be 0, 2, 4, 6, or 8.

Front

How do you simplify the expression (20 + 40 + 60 + 80 + 100 + 120) – (10 + 30 + 50 + 70 + 90 + 110)?

Back

Calculate the sum of each group separately and then subtract the second sum from the first.

Tags

CCSS.2.NBT.B.5

Front

What is the result of the expression (20 + 40 + 60 + 80 + 100 + 120) – (10 + 30 + 50 + 70 + 90 + 110)?

Back

The result is 60.

Tags

CCSS.2.NBT.B.5