REDO Units 3 and 4

Front

What is the equation to find the number of cans collected in the third year if Ian collected 8,917 cans in the first year and 7,639 cans in the second year, totaling 25,413 cans?

Back

x = 25,413 - 8,917 - 7,639

Front

If Isaiah planted 521 trees in the first year and 387 trees in the second year, how many more trees does he need to plant to reach a total of 2,000 trees?

Back

654 trees

Front

What decimal does the shaded parts represent if the total is 1.2?

Back

1.2

Front

What is the product of 43 X 56 using the area model if one section is represented as 3 X 50?

Back

3 X 50 = 150

Front

If five students each collected 1,375 bottle caps, which equation represents the total number of bottle caps collected?

Back

1,375 x 5 = X

Front

What is the total number of trees planted by Isaiah if he planted 521, 387, and 438 trees over three years?

Back

1,346 trees

Front

How do you calculate the total number of items collected over multiple years?

Back

Add the number of items collected each year.

Front

What is the purpose of using an area model in multiplication?

Back

To visualize the product of two numbers by breaking them into parts.

Front

What does the term 'total' mean in mathematics?

Back

The sum of all quantities or amounts.

Front

How do you find the difference between a total and a partial amount?

Back

Subtract the partial amount from the total.