Extra Examples—LEAP 21

Extra Examples shows you additional worked-out examples that mimic the ones in your book.

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Grade-Level Expectation Student Lesson(s)
 1 Factor whole numbers into primes (N-1-M)
1-1
 2 Determine common factors and common multiples for pairs of whole numbers (N-1-M)
 3 Find the greatest common factor (GCF) and least common multiple (LCM) for whole numbers in the context of problem-solving (N-1-M)
 4 Recognize and compute equivalent representations of fractions and decimals (i.e., halves, thirds, fourths, fifths, eighths, tenths, hundredths) (N-1-M) (N-3-M)
 5 Decide which representation (i.e., fraction or decimal) of a positive number is appropriate in a real-life situation (N-1-M) (N-5-M)
 6 Compare positive fractions, decimals, and positive and negative integers using symbols (i.e., <, =, >) and number lines (N-2-M)
 7 Read and write numerals and words for decimals through ten-thousandths (N-3-M)
3-1
 8 Demonstrate the meaning of positive and negative numbers and their opposites in real-life situations (N-3-M) (N-5-M)
8-1
 9 Add and subtract fractions and decimals in real-life situations (N-5-M)
3-5, 6-3, 6-4, 6-5, 6-6
 10 Use and explain estimation strategies to predict computational results with positive fractions and decimals (N-6-M)
 11 Mentally multiply and divide by powers of 10 (e.g., 25/10 = 2.5; 12.56 x 100 = 1,256) (N-6-M)
 12 Divide 4-digit numbers by 2-digit numbers with the quotient written as a mixed number or a decimal (N-7-M)
 13 Use models and pictures to explain concepts or solve problems involving ratio, proportion, and percent with whole numbers (N-8-M)
 14 Model and identify perfect squares up to 144 (A-1-M)
1-4
 15 Match algebraic equations and expressions with verbal statements and vice versa (A-1-M) (A-3-M) (A-5-M) (P-2-M)
 16 Evaluate simple algebraic expressions using substitution (A-2-M)
1-6
 17 Find solutions to 2-step equations with positive integer solutions (e.g., 3x - 5 = 13, 2x + 3x = 20) (A-2-M)
9-5
 18 Measure length and read linear measurements to the nearest sixteenth-inch and mm (M-1-M)
 19 Calculate perimeter and area of triangles, parallelograms, and trapezoids (M-1-M)
 20 Calculate, interpret, and compare rates such as \$/lb., mpg, and mph (M-1-M) (A-5-M)
10-1
 21 Demonstrate an intuitive sense of relative sizes of common units for length and area of familiar objects in real-life problems (e.g., estimate the area of a desktop in square feet, the average adult is between 1.5 and 2 meters tall) (M-2-M) (G-1-M)
 22 Estimate perimeter and area of any 2-dimensional figure (regular and irregular) using standard units (M-2-M)
 23 Identify and select appropriate units to measure area (M-3-M)
1-8
 24 Use mathematical terms to describe the basic properties of 3-dimensional objects (edges, vertices, faces, base, etc.) (G-2-M)
14-4
 25 Relate polyhedra to their 2-dimensional shapes by drawing or sketching their faces (G-2-M) (G-4-M)
MAC2 12-1
 26 Apply concepts, properties, and relationships of points, lines, line segments, rays, diagonals, circles, and right, acute, and obtuse angles and triangles in real-life situations, including estimating sizes of angles (G-2-M) (G-5-M) (G-1-M)
 27 Make and test predictions regarding tessellations with geometric shapes (G-3-M)
13-6
 28 Use a rectangular grid and ordered pairs to plot simple shapes and find horizontal and vertical lengths and area (G-6-M)
 29 Collect, organize, label, display, and interpret data in frequency tables, stem-and-leaf plots, and scatter plots and discuss patterns in the data verbally and in writing (D-1-M) (D-2-M) (A-3-M)
 30 Describe and analyze trends and patterns observed in graphic displays (D-2-M)
 31 Demonstrate an understanding of precision, accuracy, and error in measurement (D-2-M) (M-2-M)
MAC2 12-6
 32 Calculate and discuss mean, median, mode, and range of a set of discrete data to solve real-life problems (D-2-M)
 33 Create and use Venn diagrams with two overlapping categories to solve counting logic problems (D-3-M)
5-1
 34 Use lists, tree diagrams, and tables to determine the possible combinations from two disjoint sets when choosing one item from each set (D-4-M)
11-2
 35 Illustrate and apply the concept of complementary events (D-5-M)
11-1
 36 Apply the meaning of equally likely and equally probable to real-life situations (D-5-M) (D-6-M)
11-1
 37 Describe, complete, and apply a pattern of differences found in an input-output table (P-1-M) (P-2-M) (P-3-M)
 38 escribe patterns in sequences of arithmetic and geometric growth and now-next relationships (i.e., growth patterns where the next term is dependent on the present term) with numbers and figures (P-3-M) (A-4-M)
7-6

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