Grade 4 Add & Subtract Challenge

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Quick true/false drill on add & subtract.

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Christelle McMurtry

Sudáfrica

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Grade 4 Add & Subtract Challenge


Grade 4 Add & Subtract ChallengeVersión en línea Quick true/false drill on add & subtract. por Christelle McMurtry 1 The sum of 34 and 29 is 63. Yes No 2 6 + 7 = 12. Yes No 3 Adding two-digit numbers may require carrying to the tens place. Yes No 4 A subtraction check can be done by adding the difference to the smaller number to reach the larger number. Yes No 5 The difference between 200 and 150 is 50. Yes No 6 Subtracting 0 from a number leaves it unchanged. Yes No 7 15 - 9 = 7. Yes No 8 Subtracting a smaller number from a larger number may require borrowing. Yes No 9 In subtraction, you always borrow from the hundreds place. Yes No 10 100 - 25 = 75. Yes No 11 Carrying is required in every addition. Yes No 12 When adding, you align digits by place value. Yes No 13 Estimating sums helps check if the answer is reasonable. Yes No 14 When adding decimals, you ignore the decimal points. Yes No 15 The sum of 5 and 9 is 14. Yes No 16 The commutative property applies to addition: a + b = b + a. Yes No 17 9 + 9 = 19. Yes No 18 0 is the additive identity: a + 0 = a. Yes No 19 The commutative property does not apply to addition. Yes No 20 The tens place never changes when adding 25 and 25. Yes No 21 The sum of 90 and 15 is 105. Yes No 22 100 - 25 = 70. Yes No 23 0 cannot be added to a number. Yes No 24 100 + 200 = 400. Yes No 25 Adding tens and ones separately is a common method for two-digit addition. Yes No 26 The sum of 40 and 40 equals 60. Yes No 27 The associative property applies to addition: (a + b) + c = a + (b + c). Yes No 28 In subtraction, you always subtract the larger digit from the smaller one. Yes No 29 A carry is written when a column sum is 10 or more. Yes No 30 50 - 60 = 10. Yes No

Grade 4 Add & Subtract Challenge

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Grade 4 Add & Subtract ChallengeVersión en línea

por Christelle McMurtry

The sum of 34 and 29 is 63.

6 + 7 = 12.

Adding two-digit numbers may require carrying to the tens place.

A subtraction check can be done by adding the difference to the smaller number to reach the larger number.

The difference between 200 and 150 is 50.

Subtracting 0 from a number leaves it unchanged.

15 - 9 = 7.

Subtracting a smaller number from a larger number may require borrowing.

In subtraction, you always borrow from the hundreds place.

100 - 25 = 75.

Carrying is required in every addition.

When adding, you align digits by place value.

Estimating sums helps check if the answer is reasonable.

When adding decimals, you ignore the decimal points.

The sum of 5 and 9 is 14.

The commutative property applies to addition: a + b = b + a.

9 + 9 = 19.

0 is the additive identity: a + 0 = a.

The commutative property does not apply to addition.

The tens place never changes when adding 25 and 25.

The sum of 90 and 15 is 105.

100 - 25 = 70.

0 cannot be added to a number.

100 + 200 = 400.

Adding tens and ones separately is a common method for two-digit addition.

The sum of 40 and 40 equals 60.

The associative property applies to addition: (a + b) + c = a + (b + c).

In subtraction, you always subtract the larger digit from the smaller one.

A carry is written when a column sum is 10 or more.

50 - 60 = 10.