Weekly Check in 10 (Red)

Front

What is a multiple of a number?

Back

A multiple of a number is the product of that number and an integer. For example, multiples of 3 include 3, 6, 9, 12, etc.

Front

If Paul has 5 times as many marbles as Lou and they have 30 marbles together, how can we express this relationship mathematically?

Back

Let Lou's marbles be L. Then Paul's marbles are 5L. The equation is L + 5L = 30.

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CCSS.HSA.CED.A.3

Front

What is rounding to the nearest hundred?

Back

Rounding to the nearest hundred means adjusting a number to the closest multiple of 100. For example, 408 rounds to 400.

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CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

How do you find the total number of items when given the number of rows and items per row?

Back

Multiply the number of rows by the number of items in each row. For example, 6 rows of 6 toys equals 36 toys.

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CCSS.3.OA.A.1

Front

What is the solution to the equation 2x = 8?

Back

x = 4, because dividing both sides by 2 gives x = 4.

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CCSS.6.EE.B.7

Front

What is the definition of a prime number?

Back

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.

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CCSS.4.OA.B.4

Front

How do you calculate the cost of one item if you know the total cost and quantity?

Back

Divide the total cost by the quantity. For example, if 2 ice creams cost $8, then one costs $4.

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What is the relationship between factors and multiples?

Back

Factors are numbers that can be multiplied together to get another number, while multiples are the result of multiplying a number by an integer.

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CCSS.4.OA.B.4

Front

What does it mean to arrange items in rows?

Back

Arranging items in rows means organizing them in a straight line, typically with the same number of items in each row.

Front

What is the definition of a variable in mathematics?

Back

A variable is a symbol used to represent an unknown value in an equation or expression.

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CCSS.6.EE.A.2B