The strategies that students use for subtraction are regrouping (borrowing), adding on, and separating groups of numbers Adding on: 14-6=? Students would count to 14 and find out how many that is or think about what they have to add to 6 to get 14. This is their answer. Separating ...
SeriesG–AdditionandSubtraction SeriesAuthors: RachelFlenley NicolaHerringer Contents Topic1–Mentalstrategies(pp.1–10) •jumpstrategyreview ___ •jumpstrategywithdecimals ___ •splitstrategyreview ___ •splitstrategywithdecimals ___ •compensa onstrategyreview...
The various resources listed below are aligned to the same standard, (2NBT05) taken from the CCSM (Common Core Standards For Mathematics) as the Addition and subtraction Worksheet shown above. Fluently add and subtract within 100 using strategies based on place value, properties of operations, an...
内容提示: Grade: 2nd Grade Unit 2: Addition and Subtraction (within 20) Length of Unit: 2 weeks Included Standards: MACC.2.OA.1.1, MACC.2.OA.2.2, MACC.2.OA.3.3 Score 4.0 In addition to Score 3.0, in-depth inferences and applications that go beyond what was taught. The student...
Second and third graders (N = 168) from six Dutch elementary schools participated in this study. They were asked to solve two sets of almost identical sums at a 2-week interval. Inconsistency was defined as using two different strategies to solve two almost identical sums. The subjects’ verb...
Addition and subtraction of negative integers+worksheets, 4th grade subtracting fractions, 28% covert to decimal, worksheets on pulleys, express a mixed fraction as a fraction. Increasing and decreasing graph of a linear equation, completing the square grade 10, free grade 4 equation worksheets, ...
were written to align with standards of high-performing countries (Achieve, 2010), the CCSS at the Grade 1 level do not exclusively emphasize ten-based decomposition strategies for addition and subtraction that are underscored in high-performing east-Asian countries where they are considered critical...
Need extra practice with addition? This FREE set of winter addition to 20 “solve and color” pages is a fun way to work on specific addition strategies and build fact fluency. My sweet little first grader has spent the bulk of her year learningaddition and subtraction strategiesand facts. ...
This involves addition, subtraction,...Hickendorff, MarianEducation and Child Studies, Leiden UniversityTorbeyns, JokeCenter for Instructional Psychology and Technology, KU LeuvenVerschaffel, LievenCenter for Instructional Psychology and Technology, KU Leuven...
Looking for examples of some of the addition strategies that can help put your students on the path to a more procedural model? Here are a few that can be used side by side: Counting On This strategy involves starting with the larger number in a maths problem and counting on from there....