Use place-value understandings to round whole numbers to the nearest 10.
Determine whether to round up or down to get to the nearest ten.
Understand that the ones’ place is the key digit to evaluate to determine whether to round up or down.
Identify which digits in the ones’ place signal to round up to the nearest ten.
Identify which digits in the ones’ place signal to round down to the nearest ten.
Round up, Round down, Number line, Ones place, Tens place
- Students determined which number (in the ones place) to look at before deciding to round up or down. (0,1,2,3 4 - round down/ 5,6,7,8,9 - round up)
- Students were given number then were asked to find where the number falls on the number line to determine to round up or down.
- Student was given a number and use their own strategy to round up or down. (looking at the ones place or using the number line on the whiteboard)