Grade 1 Mathematics Course

Revise numbers from one to one hundred by counting with blocks to reinforce sequence and number sense.

Revise numbers 1 to 100 with four worksheets covering 1 to 50 and 51 to 100, guiding children to read and write the missing numbers.

Revise numbers 101 to 200 through targeted practice, aligning with the grade 1 mathematics course goals.

Practice reading and writing numbers 101 to 200 with finger-pointing, including missing-number exercises. Prepare for expanded form and place value concepts as children memorize numbers up to 300.

Introduce students to numbers from 201 to 300 by reading and recognizing the number names, building foundational counting skills and number sense.

Practice reading and writing numbers from 201 to 250, reinforcing place value and three-digit reading, and identify and fill in missing numbers using guided worksheets.

Practice reading numbers from 251 to 300, using two ways to read numbers, complete missing numbers, and reinforce writing and revising with printable worksheets near the study desk.

Name numbers from one hundred and one to one hundred and twenty, matching spoken forms with numerals 101–120 to strengthen early number sense.

Practice spelling and reading number names from 101 to 110, building on 1–10 and hundred, using worksheets to write and read numbers.

Practice reading and writing number names from 111 to 120, building on 1 to 20 spellings, using hundred tens and ones to read and spell each number on the worksheet.

Grade 1 students practice naming numbers from 121 to 140 and their written forms, from one hundred twenty-one to one hundred forty, including examples like one hundred and thirty-six.

Learn the number names from 121 to 130 by reading and writing them as one hundred twenty-one to one hundred twenty-nine, emphasizing correct spelling, including twenty, thirty, forty, and fifty.

In this lecture, learners practice reading and writing number names from 131 to 140, focusing on correct spellings (forty) and common writing obstacles.

Learn to name numbers from one hundred forty one to one hundred sixty in sequence, aligning with grade 1 mathematics expectations.

Guides students to write and spell the number names from 141 to 150, and notes that parents and teachers should address the spelling obstacles with forty and fifty.

Explore number names from 151 to 160 and practice correct spelling of fifty and sixty, highlighting common mistakes with 55 in a Grade 1 mathematics worksheet.

Learn to read and pronounce the number names from 161 to 180, including one hundred and sixty-one through one hundred and eighty.

Practice number names from 161 to 170 using a number line, reading each numeral aloud from one hundred sixty one to one hundred seventy in a grade 1 mathematics worksheet.

Teach number names from 171 to 180, highlight correct spellings and reduce common mistakes in writing numbers.

Learn the number names from 181 to 200, reading aloud one hundred eighty-one to one hundred ninety-nine, and note that one hundred and one hundred makes two hundred.

Learn to spell and write number names from 181 to 200, using a number line to minimize mistakes and build readiness for grade 2.

Master before, after, and between numbers by counting in order from smallest to largest, with examples like 1–3 and 12–14.

Grade 1 mathematics introduces missing numbers and the concepts of before and after using tracing and writing activities across worksheets 1 to 3.

Explore before and after numbers and missing numbers with Grade 1 students using worksheets 4 to 6, and count to 100 by filling blanks.

Learn forward counting and backward counting to build number sequencing skills. Use forward counting to add by counting on from the larger number, and backward counting to practice subtraction.

Explore counting forward with three worksheets that teach counting in the usual order from small to big. Practice examples like 1–5, 22–26, and 29–34 to reinforce the sequence.

Learn to count backward as a subtraction method by taking away one each step, with worksheets 4 to 6 practicing decreasing numbers from examples like 13, 45, 73, and 89.

Learn skip counting by counting in steps, identify counting patterns, and start from a chosen number, with examples by 2, 5, and 10 to build early multiplication skills.

Explore skip counting by twos using cherries and everyday objects to count in steps of two, from 2 to 20, through worksheet 1 and into worksheet 2.

Practice skip counting by twos using fingers, objects, and worksheets to fill in missing numbers from 2 upward, reinforcing mental math and hands-on learning.

Grade 1 mathematics course offers skip counting by 5s worksheet 1, teaching students to count in fives from five, using fingers or objects to maintain a five-count gap.

Practice skip counting by fives with worksheets 2 through 4, filling missing numbers and maintaining a five-number gap from 5 to 100 using objects.

Practice skip counting by 10s from 10 to 200, fill missing numbers, and mark blanks to reinforce jumping by ten and landing on 20, 30, up to 200.

Practice skip counting by 10s with worksheet no. 2, fill in the missing numbers from 10 to 200 using guided steps and number aids.

Explore skip counting by tens with a baby grasshopper, filling in missing numbers up to 100 on worksheet 3, and use lines or objects to count by 10s.

Practice skip counting by 10s with worksheets 4 and 5, counting to 200 and using number lines or objects to circle the next counting numbers.

Explore place value by using a place value chart to identify the value of each digit in a number, including ones, tens, and hundreds.

Explore place value by showing how each digit's position—tens or ones—determines value using a place value chart and ten-blocks, with practice on worksheets.

Develop ability to identify hundreds, tens, and units using place value charts; practice writing numbers as hundreds, tens, and ones across worksheets 3–5.

Learn how to write numbers in expanded form by breaking digits into place values and adding their values, using examples like 17, 168, and 143 to build number sense.

Explore converting standard form to expanded form by breaking numbers into place value components (hundreds, tens, ones) with examples like 158, 234, 267, and 198.

Convert numbers from expanded form to standard form in grade 1 mathematics using worksheet no. 3, turning 100+10+7 into 117 and similar examples.

Explore expanded form by breaking numbers into hundreds, tens, and ones, write the expanded form, and add values to match the original number across worksheets 4 and 5.

Explore addition with pictures, a math operation that combines numbers to find a total using visuals. Count and group apples, bananas, and chocolates to see how numbers add up.

Learn addition with pictures by counting objects, writing numbers, and summing two values. Keep the bigger addend in mind and use fingers, with stars and ice creams as examples.

Practice addition with pictures by counting objects and writing sums in the boxes, using cupcakes, ice creams, and lollipops to reinforce the concept.

Grade 1 mathematics lesson on addition with pictures, count objects, add to numbers, and write sum in the box, moving from pictures to numeric addition in worksheets 3 and 4.

Explore how addition with zero keeps numbers unchanged. See zero as a neutral element and identity in addition, with examples like 6 plus 0 equals 6, and practice through worksheets.

Explore addition with zero and the identity of addition, showing that adding zero leaves a number unchanged, with visual examples and practice worksheets.

Explore addition with zero through worksheets 2 and 3, counting objects and writing answers in boxes, illustrating that zero is the neutral element and does not change sums.