@internet4classr I4C

## Estimating - CCSS 7.SP.A.1, 7.SP.A.2

 1. Approximation. Click Image to Enlarge This game requires an understanding of rounding off numbers. It includes separating numbers into their constituent parts (level 1), rounding to decimal places (level 2) and significant figures (level 3). SEE MORE 2. Comparison Estimator. Click Image to Enlarge Compares two sets of objects. This activity allows the user to understand the estimation process by comparing two objects. Students can choose to compare the length of two lines, the area of two shapes, or the number of objects on each side. SEE MORE 3. Estimating a Difference. Click Image to Enlarge Estimate the difference between two numbers. SEE MORE 4. Estimating a Sum. Click Image to Enlarge Estimate the sum to the nearest thousand. SEE MORE 5. Estimation Valley Golf. Click Image to Enlarge Quickly estimate the answers to the math problems and play a round of golf! SEE MORE 6. Estimator. Click Image to Enlarge Practice estimation skills by determining the number of objects, length or area. (parameters: error tolerance) This activity allows the user to develop their estimation skills in 1 and 2 dimensions as well as estimating the number of individual objects.  SEE MORE 7. Front End Estimation: Addition. Click Image to Enlarge Estimate the sums by front end estimation. SEE MORE 8. Front End Estimation: Subtraction. Click Image to Enlarge Estimate the difference by front end estimation. SEE MORE 9. More or Less Estimator. Click Image to Enlarge Similar to the Estimator activity, but this activity states a quantity and asks the user to estimate whether the set of objects is more or less than the number given. This activity allows the user to learn about the estimation process. Students can choose to estimate the length of a line, the area of a shape, or the number of objects in the box.  SEE MORE 10. Rounding Numbers. Click Image to Enlarge Round the number to the nearest Hundred Thousand  SEE MORE 11. Weigh the Wangdoodles. Click Image to Enlarge Your job is to find the weight of each Wangdoodle using the information provided by the scales. To be successful, you will have to make sure that the weight you assign to each Wangdoodle works on each scale. This activity is a fun but challenging introduction to multiple algebraic equations. SEE MORE

Internet4classrooms is a collaborative effort by Susan Brooks and Bill Byles.