Benchmark 12B: Habits of Mind - Computation and Estimation

• Use whole numbers and simple, everyday fractions in ordering, counting, identifying, measuring, and describing things and experiences. (1 of 5)
• Standard 6-4 page 38
Interpret the multiple uses of numbers encountered in the real world

Standard 12-5 page 57
Apply fractions and decimals to problem situations

Standard 4-5 page 32, Grades K-4
Use mathematics in their daily lives

Standard 6-1, page 91, Grades 5-8
Understand and appreciate the need for numbers beyond the whole numbers

Standard 6-2, page 91, Grades 5-8
Develop and use order relations for whole numbers, fractions, decimals, integers, and rational numbers

• Readily give the sums and differences of single-digit numbers in familiar contexts where the operation makes sense and they can judge the reasonableness of the answer. (2 of 5)
• Standard 5-3 page 36, Grades K-4
Determine the reasonableness of an estimate

Standard 7-4 page 41, Grades K-4
Develop operations sense

Standard 8-1 page 44, Standard 7-4 page 41, Grades K-4
Model, explain, and develop reasonable proficiency with basic facts and algorithms

• Give rough estimates of numerical answers to problems before doing them formally. (3 of 5)
• Standard 7-4 page 41, Grades K-4
Develop operations sense

Standard 5-4 page 36
Apply estimation in working with quantities, measurement, computation, and problem solving

• Explain to other students how they go about solving numerical problems. (4 of 5)
• Standard 7-1 page 41
Develop meaning for the operations by modeling and discussing a rich variety of problem situations

Standard 8-1 page 44, Grades K-4
Model, explain, and develop reasonable proficiency with basic facts and algorithms

• Make quantitative estimates of familiar lengths, weights, and time intervals and check them by measurements. (5 of 5)
• Standard 10-3 page 51, Grades K-4
Make and use estimates of measurement

Standard 5-3 page 36, Grades K-4
Determine the reasonableness of an estimate