How do you estimate sums?
"suppose you have to add a chain of numbers. you may spherical each addend to the closest hundred to estimate the sum. estimate the sum 1,472 + 398 + 772 + 164 by rounding every quantity to the closest hundred. first, round every number to the closest hundred."
How do you add 3 digit numbers?
adding two three digit numbers (for instance 529 + 733) involves several steps. Area one range above the other in order that the masses, tens and ones places are covered up. ... Add the ones place digits (9 + 3 = 12). ... Upload the tens area digits (1 + 2 + 3 = 6) and area the answer below the line and in the tens place column.
Fluently add and subtract within 1000 worksheets
Fluently add and subtract within 1000 activities
Fluently add and subtract within 1000
Add and subtract within 1000 worksheets
Add and subtract within 1000 word problems
Add and subtract within 1000 with regrouping
Add and subtract within 1000 using strategies
Add and subtract within 1000 using concrete models or drawings
Add and subtract within 1000