Unit 3 Lesson 19

Front

What is the value of 4 x _ if the answer is 0?

Back

0

Front

What number should replace the blank in the equation 7 = _ x 7?

Back

1

Front

What is the result of 205 - 40 - 60?

Back

105

Front

What equation represents the tape diagram showing 7 groups of 7 added to an unknown number to equal 444?

Back

? + 7 x 7 = 444

Front

What does the equation 6 x 6 + N = 218 represent?

Back

Peter bought six packs of Pokemon cards with 6 cards in each pack, and now has 218 cards.

Front

If Monica wants to walk 208 miles and has walked 6 miles each day for 7 days, how many miles does she have left?

Back

Monica has 208 - (6 x 7) = 208 - 42 = 166 miles left.

Front

What is the result of 7 x 7?

Back

49

Front

What is the meaning of the term 'unknown number' in mathematics?

Back

An unknown number is a value that is not known and is often represented by a symbol like _ or x.

Front

What does the term 'equation' mean?

Back

An equation is a mathematical statement that shows that two expressions are equal.

Front

What is a 'tape diagram'?

Back

A tape diagram is a visual model that uses rectangles to represent numbers and their relationships.