A Day at the Beach
Class 2 · Mathematics
4 ideas in Class 2 Mathematics, explained in plain words, with games and quizzes to practise.
Tens in Trays
Part of: Tens and ones
Ten chikoos fill one tray. 25 means 2 trays and 5 loose; 43 means 4 trays and 3 loose. One block stick holds 10 blocks; one ten strip holds 10 units.
Why it matters. Tens packing makes big numbers easy.
Try it in two minutes
- Pack beads in tens.
- Count trays and loose.
- Build a ten strip.
Try at home. Pack 34 buttons in tens.
Tens and Ones Cards
Part of: Tens and ones
31 is 3 tens and 1 one; 73 is 70 and 3; 52 is 50 and 2. Cards for tens and ones build any number.
Why it matters. Place value unlocks all two-digit numbers.
Try it in two minutes
- Split 45 into tens, ones.
- Join 60 and 7.
- Play tens-ones cards.
Try at home. Split your house number.
Which Is More
Part of: Tens and ones
43 beats 34 with more tens; 47 beats 43 with more ones. Compare tens first, then ones, to find more and less.
Why it matters. Comparing numbers guides smart choices.
Try it in two minutes
- Compare 56 and 65.
- Compare 48 and 44.
- Fill more-less blanks.
Try at home. Compare two bus numbers.
Number Riddles
Part of: Tens and ones
Largest two-digit is 99; largest unrepeated is 98; smallest is 10; smallest repeated is 11; tens 3 smallest is 30; ones 2 largest is 92.
Why it matters. Riddles turn place value into play.
Try it in two minutes
- Solve three riddles.
- Swap two digits.
- Make your own riddle.
Try at home. Riddle a house number.
What your child will practise
- Number Riddles: Space Quest (Collect the Answer)
- Number Riddles: Space Quest (Flip and Match)
- Tens and Ones Cards: Treasure Quest (Match It Up)
- Tens in Trays: Jungle Quick Fire (Quick Fire)
- Which Is More: Candy Puzzle (Clue Puzzle)
- Quiz: Number Riddles (8 questions)
- Quiz: Tens and Ones Cards (8 questions)
- Quiz: Tens in Trays (8 questions)
- Quiz: Which Is More (8 questions)