Explanations 
Textbooks 
Flashcards 
91影视 AI 
Notes 
Study Plans 
Study Sets 
Find a degree 
Magazine Problem 31
Find the difference in each case. (These problems all involve borrowing.) [Example 3] $$\begin{array}{r} 647 \\ -159 \\ \hline \end{array}$$
Problem 31
Write each of the following numbers in expanded form. $$407$$
Problem 32
Write each of the following numbers in expanded form. $$508$$
Problem 33
Round each of the numbers to the nearest thousand. $$978$$
Problem 34
Find each of the following products. (Multiply.) In case use the shortcut method. $$\begin{array}{r}879 \\\\\times 600 \\\\\hline\end{array}$$
Problem 35
Area of a Square The area of a square is 49 square feet. What is the length of each side?
Problem 35
Add each of the following. (All problems involve carrying in at least one column. $$\begin{array}{l} 56,789 \\ 98,765 \\ \hline \end{array}$$
Problem 35
Round each of the numbers to the nearest thousand. $$657,892$$
Problem 36
Add each of the following. (All problems involve carrying in at least one column. $$\begin{array}{r} 45,678 \\ 87,654 \\ \hline \end{array}$$
Problem 37
Area of a Rectangle A rectangle has an area of 36 square feet. If the width is 4 feet, what is the length?
