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434 prompts matching "Estimate before calculating an answer"
Adding to make ten
I am in Primary 1. Ask me: "What number do you add to 6 to make 10?" Check my answer. Then
Adding doubles
I am in Primary 1. Ask me: "What is double 4?" Then "What is double 6?" Check my answers.
Subtraction with objects
I am in Primary 1. Ask me: "If you have 8 biscuits and you eat 3, how many are left?" Chec
Subtraction with a number line
I am in Primary 1. Ask me to start at 9 on a number line and jump back 4. Ask me where I l
Find the missing number in a trickier addition sentence
I am in Primary 1. Ask me: "? + 5 = 12. What number is missing?" Check my answer.
Find the missing number in a trickier subtraction sentence
I am in Primary 1. Ask me: "15 - ? = 7. What number is missing?" Check my answer.
Adding tens (without regrouping)
I am in Primary 1. Ask me: "What is 20 + 30?" Check my answer. Then try 40 + 50.
Adding two two-digit numbers without regrouping
I am in Primary 1. Ask me: "What is 43 + 24?" Check my answer.
Subtracting tens (no borrowing)
I am in Primary 1. Ask me: "What is 60 - 20?" Then "What is 80 - 50?" Check my answers.
Measuring with footsteps
I am in Primary 1. Ask me to measure the length of my classroom using footsteps. Ask me to
Ordering by length
I am in Primary 1. Ask me to put these in order from shortest to longest: "Crayon, ruler,
Telling time (o'clock – different times)
I am in Primary 1. Ask me: "What time is it when the big hand is at 12 and the small hand
Length – using a ruler
I am in Primary 1. Ask me to use a ruler to measure my pencil in centimetres. Ask me to es
Counting sides (square)
I am in Primary 1. Ask me: "How many sides does a square have? How many corners?" Check my
Patterns – objects
I am in Primary 1. Ask me: "If I arrange spoon, fork, spoon, fork – what comes next?" Chec
Review – addition (mixed)
I am in Primary 1. Ask me: "Add these: 6+4, 12+5, 23+14." Check each answer.
Review – subtraction (mixed)
I am in Primary 1. Ask me: "Subtract these: 9-3, 15-7, 34-12." Check each answer.
Challenge – mixed operations
I am in Primary 1. Ask me: "16 + 9 – 5 = ?" Check my answer.
Challenge – estimation
I am in Primary 1. Ask me: "Estimate how many marbles fit in this cup. Is it about 5, 20,
Describe a shape drawing
I am a Primary 1 pupil. I will describe a shape I have drawn by telling you its sides and