Mathematics · Year 2

Active learning ideas

Reading and Writing Numbers to 100

Active learning helps students grasp reading and writing numbers to 100 by connecting spoken words to written numerals through movement, games, and hands-on tasks. These activities make abstract place-value concepts concrete, helping students recognize patterns in numbers like 'thirty' versus 'thirteen' and spell words like 'forty' accurately.

• National Curriculum Attainment Targets
• KS1: Mathematics - Number and Place Value

• 20–35 min
• Pairs → Whole Class
• 4 activities

Activity 01

• Inside-Outside Circle
• 25 min · Pairs

Classroom Hunt: Numeral to Words

Students work in pairs to find numerals around the classroom, such as on clocks or posters. They write each number in words on sticky notes and place them next to the numeral. Pairs then share three examples with the class, discussing spellings.

Explain the importance of spelling number words correctly.

Facilitation Tip

For the Classroom Hunt, provide cards with numerals and matching word cards, and have students work in pairs to match them while saying each number aloud together to reinforce verbal patterns.

What to look for

Present students with a list of numbers (e.g., 34, 7, 81, 50). Ask them to write the number word for each numeral. Then, present a list of number words (e.g., 'forty-two', 'nineteen') and ask them to write the corresponding numeral.

• Remember
• Understand
• Apply
• Relationship Skills
• Self-Management

Activity 02

• Inside-Outside Circle
• 30 min · Whole Class

Bingo Game: Words and Numerals

Prepare bingo cards with numerals 11-99. Call out numbers in words, like 'sixty-seven'. Students mark the matching numeral and shout 'Bingo!' when they win. Follow with students calling numbers for each other.

Compare how we read numbers with two digits versus numbers with one digit.

Facilitation Tip

During the Bingo Game, call out numbers in different forms (e.g., 'seventy-three' or '68') and have students cover the matching numeral or word on their boards immediately to build fluency.

What to look for

Give each student a card with a two-digit number (e.g., 67). Ask them to write the number in words and then answer: 'What is the digit in the tens place and what is its value?'

• Remember
• Understand
• Apply
• Relationship Skills
• Self-Management

Activity 03

• Inside-Outside Circle
• 35 min · Small Groups

Puzzle Creation: Number Chains

In small groups, students draw a chain of 10 connected boxes and write numerals in the first few. Partners fill the rest with words, ensuring correct sequence from 20 to 99. Groups swap puzzles to solve and check.

Construct a number puzzle that requires reading and writing numbers to solve.

Facilitation Tip

Have students create Number Chains by writing sequences of numbers in words and numerals, ensuring each link follows correct place-value rules and spelling patterns.

What to look for

Ask students: 'Imagine you are writing a birthday card for someone turning 88. Why is it important to spell 'eighty-eight' correctly? What might happen if you spelled it wrong?' Facilitate a brief class discussion.

• Remember
• Understand
• Apply
• Relationship Skills
• Self-Management

Activity 04

• Inside-Outside Circle
• 20 min · Pairs

Matching Pairs: Tens and Ones

Print cards with tens (e.g., 'forty'), ones (e.g., 'three'), numerals (43), and word forms ('forty-three'). Individuals or pairs match sets of four, then write sentences using matched numbers.

Explain the importance of spelling number words correctly.

Facilitation Tip

In the Matching Pairs game, use cards with numerals, words, and partitioned tens and ones (e.g., '40 + 6') so students see multiple representations of the same number.

What to look for

Present students with a list of numbers (e.g., 34, 7, 81, 50). Ask them to write the number word for each numeral. Then, present a list of number words (e.g., 'forty-two', 'nineteen') and ask them to write the corresponding numeral.

• Remember
• Understand
• Apply
• Relationship Skills
• Self-Management

A few notes on teaching this unit

Start with the concrete-to-abstract approach: use physical objects like base-ten blocks or counters to model numbers before writing. Teach the spelling patterns explicitly, especially for teens and tricky words like 'forty' and 'fifteen'. Avoid rushing to abstract tasks; give students time to verbalise their thinking. Research shows that multisensory activities, like writing in sand trays or air, improve recall of number names and spellings.

By the end of these activities, students will confidently read and write numbers to 100 in both word and numeral form, partition two-digit numbers into tens and ones, and correct common errors independently. Success looks like accurate writing, verbal reasoning, and peer feedback during collaborative tasks.

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Watch Out for These Misconceptions

• During the Classroom Hunt, watch for students who reverse digits when writing numerals from word cards, such as writing '13' as '31'.

  Remind students to say the number aloud as they write it, using the prompt: 'Tens first, then ones.' Have them partner-check each other’s hunts immediately to correct errors before moving on.

• During the Bingo Game, watch for students who confuse teen numbers with tens, such as writing '17' for 'seventy-seven'.

  Pause the game after a mismatch and ask the group to chorally repeat the number in both forms, emphasizing the order: 'seventy-seven' (70 + 7), not 'seventeen' (17). Use the bingo cards to highlight the difference visually.

• During Puzzle Creation, watch for spelling errors like 'fourty' or 'sxty' when students write number words.

  Provide a reference sheet with correct spellings and model sounding out each word slowly. Have students swap puzzles with a partner to check spellings before assembling them, encouraging peer correction.

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Methods used in this brief

• Inside-Outside Circle