Benchmark
12B: Habits of Mind - Computation and Estimation
(grades K-2, page 290)
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
