Unit 1 math review

Are you using addition or subtraction?

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

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

Which numbers rounds to 8,000?

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

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

Solve the word problem

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

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

Addition with Regrouping

When we are estimating sums what process are we doing?

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

Which is the smallest place value?

Comparing Whole Numbers

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

Estimate by rounding to the nearest ten.

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

Place Value

Solve the word problem

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

Which statement correctly compares the two numbers?