# Kindergarten - Estimation

 Grade Level: K Skill: Numbers Topic: Estimation Goal: Students use estimation strategies in computation and problem solving that involve numbers that use ones and tens place. Skill Description: Be able to recognize the ones place and the tens place. Know the difference between a digit and a number. Know when to round a number up and when to round a number down. Understand when an estimation is reasonable and when it is not.

### Sample Problems

 (1) Round the number 11 to the nearest tens place. What is the new number? (2) Add the numbers 15 and 13 together. What do you get? (3) Now round both numbers to the nearest tens place. Now add them together. What do you get? Is this close to the real answer? (4) In the number 15, which digit is in the tens place?

### Online Resources

 (1) (2)

### Extra Help Problems

 (1) Rounding. This worksheet should include numbers that will be rounded up and down. 4 will be rounded to __ (2) 7 will be rounded to __ (3) 13 will be rounded to __ (4) 16 will be rounded to __ (5) 22 will be rounded to __ (6) 25 will be rounded to __ (7) 30 will be rounded to __ (8) 38 will be rounded to __ (9) 41 will be rounded to __ (10) 49 will be rounded to __ (11) Is 40 a good estimate for the number 37 ? Yes or No (12) Is 40 a good estimate for the number 30 ? Yes or No (13) Is 50 a good estimate for the number 46 ? Yes or No (14) Is 50 a good estimate for the number 44 ? Yes or No (15) Is 60 a good estimate for the number 62 ? Yes or No (16) Is 60 a good estimate for the number 57 ? Yes or No (17) Is 70 a good estimate for the number 71 ? Yes or No (18) Is 70 a good estimate for the number 64 ? Yes or No (19) Is 80 a good estimate for the number 83 ? Yes or No (20) Is 80 a good estimate for the number 77 ? Yes or No (21) Is 90 a good estimate for the number 94 ? Yes or No (22) Is 90 a good estimate for the number 88 ? Yes or No (23) Is 30 a good estimate for the number 37 ? Yes or No (24) Is 20 a good estimate for the number 19 ? Yes or No (25) Is 10 a good estimate for the number 12 ? Yes or No