Unit 1 math review

Is it important to line up each place value of the digits in multi-digit subtraction problems?

Estimate by rounding to the nearest ten.

What is the value of the digit in the thousands place 7,064

Solve the word problem

Addition with Regrouping

4th grade did 276 math facts. 3rd grade did 301 facts.  How many more did 3rd grade do?

Place Value

3rd grade knows 23,586 facts. 4th grade knows 31,464 facts. How many total facts do they know?

Solve the word problem

4th grade collected 43,952 cans. 1st grade collected 21,128 less. How many did 1st grade collect?

Are you using addition or subtraction?

Comparing Whole Numbers

3rd grade knows 23,586 facts. 4th grade knows 31,464 facts. How many total facts do they know?

Use the chart: how many students are in 3rd and 4th grade all together?

What is the estimate of the total number of students in 3rd, 4th, and 5th grade?

When rounding to the nearest thousand, which of the following numbers would equal 15,000? 

Which is the smallest place value?

3rd grade has 127 students. 4th grade has 191 students. About how many students are in all?

Which numbers rounds to 8,000?

When we are estimating sums what process are we doing?

Which statement correctly compares the two numbers?