Estimation and Addition Review

Rounding to the Nearest Ten Match each number on the left to the tens it rounds to on the right. 53 50 37 40 72 70 55 60 123 120 Rounding to the Nearest Hundred Match each number on the left to the hundreds it rounds to on the right. 516 500 678 700 201 200 1,458 1,500 989 1,000 Fill in the blank with the correct math vocabulary. Click on the line for word choices. Using estimation means to round.Sum is the answer you get by adding numbers. Marvin's family went to the movies. They spent $37 on tickets and $14 on snacks. About how much did they spend in all? $20 $30 $40 $50 Mark has 10 pencils, 8 crayons, and 2 pens in a box.Find all of the number sentences Mark can use to find out how many school supplies he has in the box. 10 + 8 8 + 2 (10 + 8) + 2 10 + (8 +2) What is the missing number in the following expression:6 + 3 = _ + 6 3 6 9 Solve the following problem:(4 + 6) + 3 = _ 4 6 3 13