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Mental Mine: Deep Dig
Master Place Value
Drill sequence initiated! In Mental Mine, you control the advanced Mind Drill 3000. Your mission: Extract rare knowledge gems by solving rapid-fire mental maths calculations.
This Year 3 Number game focuses on adding and subtracting 1s, 10s, and 100s. Watch the target number carefully—accuracy powers the drill!
⚙️ DRILL MANUAL
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THE ONES COLUMN "345 + 1". Only the 5 changes. The answer is 346. Quick and easy!
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THE TENS COLUMN "345 + 10". Focus on the 40. It becomes 50. The answer is 355.
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THE HUNDREDS COLUMN "345 + 100". The 300 upgrades to 400. Total: 445.
Year 3 Objectives
Mental Calculation
Add and subtract numbers mentally, including: a three-digit number and ones; a three-digit
number and tens; a three-digit number and hundreds.
Place Value
Recognise the place value of each digit in a three-digit number (hundreds, tens, ones).
⛏️ FOREMAN TIPS (Parents)
Drills to try at home:
- "I'm thinking of 550. Add 10. Now subtract 100."
- "What is 10 more than 195?" (Watch out for the crossing of the hundred!)
- "Count in 100s starting from 42." (42, 142, 242...)
