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Estimation to 100

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Estimation to 100 worksheet preview

Estimation to 100

WALT: We Are Learning To estimate numbers up to 100

 Look and Estimate

1. About how many stars do you think there are? Circle your best guess.

(Picture shows approximately 25 stars scattered)

About 10

About 25

About 50

About 80

2. About how many sweets are in the jar? Circle your best guess.

(Picture shows a jar with approximately 60 sweets)

About 20

About 40

About 60

About 90

3. A bag of crisps costs 89p. About how much is this? Circle your answer.

About 50p

About 70p

About 90p

About £1.20

📏 Part 2: Number Line Estimation

4. Where would 75 go on this number line? Draw an arrow ↓

|_______|_______|_______|_______|

0       25       50       75       100

5. Look at the number line. What number is the arrow pointing to?

|_______|___↓___|_______|_______|

0       25       50       75       100

The arrow is pointing to about ________

6. Write these numbers in order from smallest to biggest:

Numbers: 85, 23, 67, 91, 45

🎯 Success Criteria

I can:

Make sensible guesses about how many objects I can see

Estimate numbers on a number line

Put numbers in order from smallest to biggest

Extension Activity: Can you estimate how many steps it takes to walk across your classroom? Write your guess: ________

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