Q 1: 29 + 45 estimate is about ________ . (hint: estimate the sum of two digit numbers by rounding to nearest tens place, that is 30+50 = ?). 80 70 50

Q 2: 87  41 estimate is about ________ . (hint: estimate the difference of two digit numbers by rounding to nearest tens place, that is 9040 = ?). 60 50 40

Q 3: 928  237 estimate is about ________ . (hint: estimate the difference of three digit numbers by rounding to nearest hundreds place, that is 900200 = ?). 800 600 700

Q 4: 419  187 estimate is about ________ . (hint: estimate the difference of three digit numbers by rounding to nearest hundreds place, that is 400200 = ?). 200 400 300

Question 5: This question is available to subscribers only!

Question 6: This question is available to subscribers only!

