Mathematics

I am in Primary 3. I will add two numbers and tell you each step I took. Listen, then tell

I am in Primary 3. Spot my addition mistake: I’ll show you my working for an addition sum

I am in Primary 3. Spot my subtraction mistake: I’ll show you my working for a subtraction

I am in Primary 3. Spot my fraction comparing mistake: I’ll compare two fractions with the

I am in Primary 3. Ask me to make up a number pattern of my own and say its rule. Then con

I am in Primary 3. Spot my counting mistake: I’ll count on by 50s or 100s. Sometimes I’ll

I am in Primary 3. I will solve a “make 1,000” problem and tell you my steps. Tell me if m

I am in Primary 3. Spot my “make 1,000” mistake: I’ll say how many more to make 1,000. Som

I am in Primary 3. Spot my measuring mistake: I’ll read a length from a ruler or metre sti

I am in Primary 3. Spot my mass mistake: I’ll say which object is heavier. Sometimes I’ll

I am in Primary 3. Spot my capacity mistake: I’ll say which container holds more. Sometime

I am in Primary 3. I will solve a “give change” problem and tell you my steps. Tell me if

I am in Primary 3. Spot my change mistake: I’ll calculate change from a note. Sometimes I’

I am in Primary 3. Spot my pictogram mistake: I’ll count the symbols in a pictogram. Somet

I am in Primary 3. Spot my bar chart mistake: I’ll read values from a bar chart. Sometimes

I am in Primary 3. Worked example: Show me how to estimate 637 + 284 by rounding both to t

I am in Primary 3. Let’s solve a word problem: “A shop sells 456 bags of rice in the morni

I am in Primary 3. Worked example: show me how to check 6 times 7 by dividing the answer b

I am in Primary 3. Spot my conversion mistake: I’ll convert between units. Sometimes I’ll

I am in Primary 3. Spot my four-digit place value mistake: I’ll say how many thousands, hu