IXL Links - 1st Grade

1.N Number & Operations

• 1.N.1 Count, compare, and represent whole numbers up to 100, with an emphasis on groups of tens and ones.

  • 1.N.1.1 Recognize numbers to 20 without counting (subitize) the quantity of structured arrangements.

    • 1.N.1.1.a Subitizing is defined as instantly recognizing the quantity of a set without having to count. "Subitizing" is not a vocabulary word and is not meant for student discussion at this age.

  • 1.N.1.2 Use concrete representations to describe whole numbers between 10 and 100 in terms of tens and ones.

    • Place value models up to 20 (1-M.1)

    • Write numbers as tens and ones up to 20 (1-M.2)

    • Place value models up to 100 (1-M.3)

    • Convert between tens and ones - multiples of 10 (1-M.4)

    • Write numbers as tens and ones (1-M.5)

  • 1.N.1.3 Read, write, discuss, and represent whole numbers up to 100. Representations may include numerals, addition and subtraction, pictures, tally marks, number lines and manipulatives, such as bundles of sticks and base 10 blocks.

    • Counting review - up to 10 (1-A.1)

    • Count to fill a ten frame (1-A.2)

    • Counting review - up to 20 (1-A.3)

    • Counting tens and ones - up to 20 (1-A.4)

    • Count on ten frames - up to 40 (1-A.5)

    • Skip-counting by tens (1-A.8)

    • Skip-counting by twos, fives, and tens (1-A.9)

    • Counting - up to 100 (1-A.10)

    • Counting tens and ones - up to 99 (1-A.11)

    • Counting by twos, fives, and tens (1-A.12)

    • Number lines (1-A.16)

    • Counting on the hundred chart (1-A.17)

    • Hundred chart (1-A.18)

    • Writing numbers in words - convert words to digits (1-A.26)

    • Make a number using addition - sums up to 10 (1-D.2)

    • Ways to make a number - addition sentences up to 10 (1-D.4)

    • Make a number using addition - sums up to 20 (1-D.10)

    • Addition sentences for word problems - sums up to 20 (1-D.13)

    • Addition sentences for word problems - one-digit plus two-digit numbers (1-D.22)

    • Make a number using subtraction - up to 10 (1-H.2)

    • Ways to make a number - subtraction sentences up to 10 (1-H.3)

    • Ways to subtract from a number - subtraction sentences up to 10 (1-H.4)

    • Make a number using subtraction - up to 20 (1-H.11)

    • Subtraction sentences for word problems - up to 20 (1-H.14)

    • Addition and subtraction - ways to make a number (1-J.1)

    • Place value models up to 20 (1-M.1)

    • Write numbers as tens and ones up to 20 (1-M.2)

    • Place value models up to 100 (1-M.3)

    • Convert between tens and ones - multiples of 10 (1-M.4)

    • Write numbers as tens and ones (1-M.5)

    • Which tally chart is correct? (1-O.3)

  • 1.N.1.4 Count forward, with and without objects, from any given number up to 100 by 1s, 2s, 5s and 10s.

    • Skip-counting by twos, fives, and tens (1-A.9)

    • Counting by twos, fives, and tens (1-A.12)

    • Counting forward - up to 100 (1-A.13)

    • Skip-counting patterns - with tables (1-A.23)

    • Sequences - count up and down by 1, 2, 5, and 10 (1-A.24)

  • 1.N.1.5 Find a number that is 10 more or 10 less than a given number up to 100.

    • Ten more or less (1-J.8)

  • 1.N.1.6 Compare and order whole numbers from 0 to 100.

    • Comparing - review (1-K.1)

    • Compare numbers up to 10 using words (1-K.2)

    • Compare numbers up to 100 using symbols (1-K.5)

    • Comparison word problems (1-K.6)

    • Put numbers in order (1-T.3)

  • 1.N.1.7 Use knowledge of number relationships to locate the position of a given whole number on an open number line up to 20.

    • Number lines (1-A.16)

    • Even or odd numbers on number lines (1-A.21)

  • 1.N.1.8 Use objects to represent and use words to describe the relative size of numbers, such as more than, less than, and equal to.

    • Comparing - review (1-K.1)

    • Comparison word problems (1-K.6)

• 1.N.2 Solve addition and subtraction problems up to 10 in real-world and mathematical contexts.

  • 1.N.2.1 Represent and solve real-world and mathematical problems using addition and subtraction up to ten.

    • Add with pictures - sums up to 10 (1-B.2)

    • Addition sentences up to 10: which model matches? (1-B.3)

    • Addition sentences using number lines - sums up to 10 (1-B.5)

    • Adding zero (1-B.7)

    • Make a number using addition - sums up to 10 (1-D.2)

    • Complete the addition sentence - sums up to 10 (1-D.3)

    • Ways to make a number - addition sentences up to 10 (1-D.4)

    • Addition word problems - sums up to 10 (1-D.6)

    • Addition sentences for word problems - sums up to 10 (1-D.7)

    • Related addition facts (1-D.14)

    • Add three numbers (1-E.11)

    • Add three numbers - word problems (1-E.12)

    • Subtract with pictures - up to 10 (1-F.2)

    • Subtraction sentences up to 10: which model matches? (1-F.3)

    • Subtraction sentences using number lines - up to 10 (1-F.5)

    • Subtract zero and all (1-F.7)

    • Make a number using subtraction - up to 10 (1-H.2)

    • Ways to make a number - subtraction sentences up to 10 (1-H.3)

    • Ways to subtract from a number - subtraction sentences up to 10 (1-H.4)

    • Complete the subtraction sentence - up to 10 (1-H.5)

    • Subtraction word problems - up to 10 (1-H.7)

    • Subtraction sentences for word problems - up to 10 (1-H.8)

    • Related subtraction facts (1-H.15)

    • Addition and subtraction - ways to make a number (1-J.1)

    • Which sign makes the number sentence true? (1-J.2)

    • Fact families (1-J.3)

  • 1.N.2.2 Determine if equations involving addition and subtraction are true.

    • Subtraction sentences: true or false? (1-H.16)

    • Addition and subtraction sentences: which is true? (1-J.7)

  • 1.N.2.3 Demonstrate fluency with basic addition facts and related subtraction facts up to 10.

    • Adding 1 (1-C.1)

    • Adding 2 (1-C.2)

    • Adding 3 (1-C.3)

    • Adding 4 (1-C.4)

    • Adding 0 (1-C.10)

    • Addition facts - sums up to 10 (1-D.1)

    • Add three numbers - use doubles (1-E.6)

    • Complete the addition sentence - make ten (1-E.7)

    • Add three numbers - make ten (1-E.8)

    • Subtracting 1 (1-G.1)

    • Subtracting 2 (1-G.2)

    • Subtracting 3 (1-G.3)

    • Subtracting 4 (1-G.4)

    • Subtracting 5 (1-G.5)

    • Subtracting 0 (1-G.10)

    • Subtraction facts - up to 10 (1-H.1)

    • Addition and subtraction facts - up to 10 (1-J.4)

• 1.N.3 Develop foundational ideas for fractions.

  • 1.N.3.1 Partition a regular polygon using physical models and recognize when those parts are equal.

    • Equal parts - halves and fourths (1-X.1)

    • Equal parts - halves, thirds, and fourths (1-X.2)

    • Halves and fourths (1-X.6)

  • 1.N.3.2 Partition (fair share) sets of objects into equal groupings.

    • Simple fractions: parts of a group (1-X.10)

• 1.N.4 Identify coins and their values.

  • 1.N.4.1 Identifying pennies, nickels, dimes, and quarters by name and value.

    • Names and values of common coins (1-Q.1)

    • Names and values of all coins (1-Q.2)

  • 1.N.4.2 Write a number with the cent symbol to describe the value of a coin.

    • Names and values of common coins (1-Q.1)

    • Names and values of all coins (1-Q.2)

    • Money - word problems (1-Q.8)

  • 1.N.4.3 Determine the value of a collection of pennies, nickels, or dimes up to one dollar counting by ones, fives, or tens.

    • Count pennies, nickels, and dimes (1-Q.3)

    • Count pennies, nickels, dimes, and quarters (1-Q.4)

    • Equivalent groups of coins (1-Q.5)

    • Exchanging coins - with pictures (1-Q.6)

    • Purchases: do you have enough money? (1-Q.9)

    • Compare money amounts (1-Q.10)

    • Least number of coins (1-Q.11)

1.A Algebraic Reasoning & Algebra

• 1.A.1 Identify patterns found in real-world and mathematical situations.

  • 1.A.1.1 Identify, create, complete, and extend repeating, growing, and shrinking patterns with quantity, numbers, or shapes in a variety of real-world and mathematical contexts.

    • Introduction to patterns (1-R.1)

    • Find the next shape in a pattern (1-R.2)

    • Complete a pattern (1-R.3)

    • Make a pattern (1-R.4)

    • Growing patterns (1-R.5)

    • Find the next shape in a growing pattern (1-R.6)

    • Find the next row in a growing pattern (1-R.7)

    • Find the next row in a growing pattern (2-D.7)

1.GM Geometry & Measurement

• 1.GM.1 Recognize, compose, and decompose two- and three-dimensional shapes.

  • 1.GM.1.1 Identify trapezoids and hexagons by pointing to the shape when given the name.

    • Name the two-dimensional shape (1-V.1)

  • 1.GM.1.2 Compose and decompose larger shapes using smaller two-dimensional shapes.

  • 1.GM.1.3 Compose structures with three-dimensional shapes.

  • 1.GM.1.4 Recognize three-dimensional shapes such as cubes, cones, cylinders, and spheres.

    • Name the three-dimensional shape (1-W.2)

    • Cubes and rectangular prisms (1-W.3)

    • Select three-dimensional shapes (1-W.4)

    • Identify shapes traced from solids (1-W.7)

    • Shapes of everyday objects I (1-W.9)

    • Shapes of everyday objects II (1-W.10)

• 1.GM.2 Select and use nonstandard and standard units to describe length and volume/capacity.

  • 1.GM.2.1 Use nonstandard and standard measuring tools to measure the length of objects to reinforce the continuous nature of linear measurement.

    • Compare objects: length and height (1-P.2)

    • Measure using an inch ruler (1-P.10)

    • Which customary unit of length is appropriate? (1-P.11)

    • Customary units of length: word problems (1-P.12)

    • Measure using a centimeter ruler (1-P.14)

    • Which metric unit of length is appropriate? (1-P.15)

    • Metric units of length: word problems (1-P.16)

  • 1.GM.2.2 Illustrate that the length of an object is the number of same-size units of length that, when laid end-to-end with no gaps or overlaps, reach from one end of the object to the other.

    • Measure length with objects (1-P.7)

  • 1.GM.2.3 Measure the same object/distance with units of two different lengths and describe how and why the measurements differ.

  • 1.GM.2.4 Describe a length to the nearest whole unit using a number and a unit.

    • Measure using an inch ruler (1-P.10)

    • Measure using a centimeter ruler (1-P.14)

  • 1.GM.2.5 Use standard and nonstandard tools to identify volume/capacity. Compare and sort containers that hold more, less, or the same amount.

    • Holds more or less (K-T.5)

• 1.GM.3 Tell time to the half and full hour

  • 1.GM.3.1 Tell time to the hour and half-hour (analog and digital).

    • Match digital clocks and times (1-U.1)

    • Match analog clocks and times (1-U.2)

    • Match analog and digital clocks (1-U.3)

    • Read clocks and write times (1-U.4)

    • A.M. or P.M. (1-U.5)

    • Times of everyday events (1-U.6)

    • Compare clocks (1-U.7)

1.D Data & Probability

• 1.D.1 Collect, organize, and interpret categorical and numerical data.

  • 1.D.1.1 Collect, sort, and organize data in up to three categories using representations (e.g., tally marks, tables, Venn diagrams).

    • Which tally chart is correct? (1-O.3)

    • Interpret tally charts (1-O.4)

    • Which table is correct? (1-O.5)

    • Interpret data in tables (1-O.6)

    • Which bar graph is correct? (1-O.9)

    • Count shapes in a Venn diagram (1-T.1)

    • Sort shapes into a Venn diagram (1-T.2)

  • 1.D.1.2 Use data to create picture and bar-type graphs to demonstrate one-to-one correspondence.

    • Create bar graphs (2-R.8)

    • Create pictographs II (2-R.14)

  • 1.D.1.3 Draw conclusions from picture and bar-type graphs.

    • Interpret tally charts (1-O.4)

    • Interpret bar graphs II (1-O.8)