Digraphs and Blends: Two Letters, One Sound

Active learning works for digraphs and blends because students need to hear, compare, and categorize sounds to build lasting phonemic awareness. Movement, discussion, and hands-on sorting turn abstract letter rules into concrete discoveries they can explain in their own words.

• 1st Grade
• English Language Arts
• 4 activities
• 10 min–20 min

Learning Objectives

1. Identify the consonant digraphs (sh, ch, th) and consonant blends (bl, st, tr) in spoken and written words.
2. Compare the sound produced by a digraph to the sounds produced by its individual letters.
3. Differentiate between consonant digraphs and consonant blends based on sound production.
4. Blend sounds to read words containing common digraphs and blends.
5. Explain how digraphs and blends alter the pronunciation of words.

Jigsaw

⏱ 15 min·Pairs

Sorting Game: Digraph or Blend?

Give pairs a set of picture cards featuring words with digraphs (sh, ch, th) and consonant blends (bl, st, tr). Students sort the cards into two labeled piles and justify each placement aloud to their partner. Pairs then share one word from each pile with a neighboring pair and explain their reasoning.

Prepare & details

Explain how two letters can make a single sound in words like 'ship' or 'chair'.

Facilitation Tip: During the Sorting Game, place a timer to add urgency and encourage quick decision-making while listening closely to each sound.

Setup: Flexible seating for regrouping

Materials: Expert group reading packets, Note-taking template, Summary graphic organizer

• Understand
• Analyze
• Evaluate
• Relationship Skills
• Self-Management

Gallery Walk

⏱ 20 min·Small Groups

Gallery Walk: Word Wall Sort

Post chart paper around the room, each sheet labeled with one digraph or blend (sh, ch, th, bl, st, tr). Give student groups a stack of word cards. Groups circulate, tape each word under the correct header, and leave a sticky note with a question if they are unsure. After the gallery walk, the class reviews disputed placements together.

Prepare & details

Differentiate between a digraph and a consonant blend.

Facilitation Tip: Place word cards at varying heights around the room for the Gallery Walk so students must move and stretch, keeping energy high.

Setup: Wall space or tables arranged around room perimeter

Materials: Large paper/poster boards, Markers, Sticky notes for feedback

• Understand
• Apply
• Analyze
• Create
• Relationship Skills
• Social Awareness

Think-Pair-Share

⏱ 10 min·Pairs

Think-Pair-Share: Change a Sound

Display a simple CVC word (e.g., "cap"). Students work with a partner to predict what happens when a digraph or blend replaces the first letter. Pairs discuss their prediction, then share out: if /k/ becomes /sh/, what word do we get? Rotate through several base words, including some that produce nonsense words so students must evaluate their results.

Prepare & details

Predict how adding a blend or digraph changes the sound of a word.

Facilitation Tip: In Think-Pair-Share, assign roles clearly: one student listens for the sound, one explains, and one records the change to ensure full participation.

Setup: Standard classroom seating; students turn to a neighbor

Materials: Discussion prompt (projected or printed), Optional: recording sheet for pairs

• Understand
• Apply
• Analyze
• Self-Awareness
• Relationship Skills

Jigsaw

⏱ 10 min·Whole Class

Whole Class: Blend and Digraph Relay

Students stand in a line. The teacher says a base word, and the first student adds a digraph to the front to form a new word. The next student tries a different digraph or blend. The class votes on whether each transformation produces a real word or a nonsense word, discussing what sound changed and why.

Prepare & details

Explain how two letters can make a single sound in words like 'ship' or 'chair'.

Facilitation Tip: Use a whistle or bell during the Blend and Digraph Relay to signal transitions and keep the pace lively for the whole class.

Setup: Flexible seating for regrouping

Materials: Expert group reading packets, Note-taking template, Summary graphic organizer

• Understand
• Analyze
• Evaluate
• Relationship Skills
• Self-Management

Teaching This Topic

Teach digraphs and blends by having students first hear and feel the sounds through oral practice, then apply that awareness to print. Avoid explaining the rules too soon; let students discover the patterns through structured exploration. Research shows that when students articulate their own understanding, misconceptions surface naturally and are easier to address.

What to Expect

Successful learning looks like students confidently distinguishing digraphs from blends and justifying their choices with clear sound evidence. They should also begin to notice how these patterns change word meaning and structure during reading and writing.

Watch Out for These Misconceptions

Common Misconception

During Sorting Game: Digraph or Blend?, watch for students who group 'sh' and 'bl' together because both have two letters.

What to Teach Instead

Have students say each word aloud while tapping out the sounds. If they can hear both individual sounds in 'blend' but only one new sound in 'ship,' they’ll see the difference and regroup accordingly.

Common Misconception

During Gallery Walk: Word Wall Sort, watch for students who assume 'th' always makes the same sound in every word.

What to Teach Instead

Prompt them to sort 'th' words into two groups: those with a buzzing throat (voiced /ð/) and those without (unvoiced /θ/). The visual sorting on the wall helps them notice the difference.

Common Misconception

During Think-Pair-Share: Change a Sound, watch for students who think adding 'fl' to 'at' makes 'flat' by inserting sounds rather than replacing them.

What to Teach Instead

Use sound boxes to show how 'cat' changes to 'flat' by swapping the initial sound, not adding one. Ask students to fill in the boxes together to see exactly which sounds remain and which shift.

Assessment Ideas

Exit Ticket

After Sorting Game: Digraph or Blend?, hand each student a word card. Ask them to circle the digraph or blend, write the sounds they hear in order, and then write one new word that uses the same pattern.

Quick Check

During Gallery Walk: Word Wall Sort, circulate and point to a word with a digraph or blend. Ask three students to say the word aloud and identify whether it’s a digraph or blend, listening for accurate pronunciation and reasoning.

Discussion Prompt

After Think-Pair-Share: Change a Sound, gather students and ask them to compare 'ship' and 'sip.' Have them explain which sounds stay the same and which change, using the sound boxes or word cards as visual support.

Extensions & Scaffolding

• Challenge early finishers to write a mini-story using at least five digraphs and five blends, then underline each pattern in a different color.
• Scaffolding: Provide picture cards with the digraph or blend written on the back so struggling students can match sound to symbol before sorting.
• Deeper exploration: Invite students to create their own word sorts with new digraphs or blends, then trade with a partner to solve.

Key Vocabulary

digraph	Two letters that come together to make one new sound. For example, 'sh' in 'ship' makes one sound.
consonant blend	Two or three consonants that are next to each other, but each consonant sound can still be heard. For example, 'bl' in 'blue' has both the /b/ and /l/ sounds.
phoneme	The smallest unit of sound in a spoken word. For example, the word 'cat' has three phonemes: /c/, /a/, /t/.
grapheme	The written representation of a phoneme. For example, 'sh' is a grapheme that represents the /sh/ phoneme.