**1) BIDMAS/BODMAS:**

**2) BIDMAS/BODMAS II:**

**3) Prime factors:**

**4) HCF and LCM from Venn diagrams**

**5) Fractions adding and subtracting:**

**6) Fractions multiplying:**

**7) Dividing fractions:**

**8) Multiplying mixed numbers:**

**9) Subtracting mixed numbers**

**10) Ordering fractions, decimals and percentages**

**11) Rounding to decimal places**

**12) Rounding to Significant Figures:**

**13) Rounding to Significant Figures II:**

**14) Standard form**

**15) Standard form II [first 7 minutes only]**

**16) Lower and Upper Bounds**

**17) Lower and Upper Bounds II**

**18) Rational and irrational numbers:**

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