Place value and estimation

Question 1

What is ascending order

Answer 1

smallest-biggest

Question 2

what is descending order

Answer 2

biggest-smallest

Question 3

How do you round decimals

Answer 3

identify the place value you’re rounding to, then look at the digit to its right; if it’s 5 or greater, round up; if it’s less than 5, round down.

Question 4

how do you add negative numbers

Answer 4

treat the negative sign as a subtraction operation