Mathematics

I am in Primary 3. Worked example: Show me how to find the missing number in 150, 200, __,

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

Act as a quiz-master. I am in Primary 3. Ask me quick counting questions like “Count on by

I am in Primary 3. Worked example: Show me how to solve 368 + 297 by making 300 + 300 and

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

Act as a quiz-master. I am in Primary 3. Ask me quick two-operation questions like “First

I am in Primary 3. Estimate an answer for me by rounding badly — rounding 48 to 40. Let me

Act as a quiz-master. I am in Primary 3. Ask me quick estimation questions like “Estimate

I am in Primary 3. Ask me to check an addition by subtracting one of the numbers from my a

I am in Primary 3. Spot my inverse-check mistake: I’ll check an addition by subtracting. S

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. I will solve a measurement word problem and tell you which unit I used.

I am in Primary 3. Let’s solve a word problem: “A rope is 4 m long. How many cm is that?”

I am in Primary 3. Let’s solve a word problem: “A book has 2,753 pages. Another has 2,735

I am in Primary 3. Worked example: Show me how to compare 6,124 and 6,214 by looking at th

I am in Primary 3. Let’s solve a word problem: “Each tray holds 24 eggs. There are 3 trays

I am in Primary 3. Worked example: Show me how to divide 47 by 5 by making 5 equal groups

I am in Primary 3. Worked example: Show me how to find 5/8 – 2/8 by subtracting the numera

I am in Primary 3. Worked example: Show me how to find an equivalent fraction to 2/3 by mu