Q1: Counting in 100s
Q2: Adding multiples of 10 (for example 50 + 20 =)
Q3: Doubling 2-digit numbers (for example double 42 =)
Q4: Doubling multiples of 10 (for example, double 60 =)
Q5: Finding half of multiples of 10 (for example half of 70 =)
Q6: Writing fact families (for example, write the fact family for 20 + 60 = 80)
Q7: Adding 10 more to a multiple of 10 (for example, 50+10 =)
Q8: Adding 10 to a 2-digit number (for example 57+10 =)
Q9: Subtracting 10 from a multiple of 10 (for example 70-10 =)
Q10: Subtracting 10 from a 2-digit number (for example 63 -10 =)