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On this worksheet learners need to calculate the unknown in a number sentence, demonstrating that they can derive / recall pairs of numbers which total 10, 20, 30 or 50.e.g. 4+?=10. (90 questions)
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Here are more number sentences that need to be completed but this time learners derive / recall pairs of numbers which total 100.
e.g. 14+?=100. (90 questions)
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This worksheet has been designed to give learners practice in order to know more addition facts. Questions involve the addition of two small numbers which add up to no more than 20.
e.g. 4+7. (90 questions)
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The task here is to add mentally a one-digit number to a two-digit number.
e.g. 7+94. (90 questions)
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This worksheet is designed to help learners to further build up their confidence using addition facts. This time the task is to add mentally three single-digit numbers.
e.g. 2+6+7. (80 questions)
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Here learners add single-digit numbers to three-digit numbers.
e.g. 539+8. (80 questions)
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This gives learners an opportunity to practice adding two two-digit numbers. Learners can use written methods, or they may wish to try solving them mentally.
e.g. 84+54. (90 questions)
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The task here is to add two-digit numbers to three-digit numbers.
e.g. 530+81. (80 questions)
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Here learners add three two-digit numbers. It will probably help to cut these more time consuming worksheets into strips and / or complete them over a number of sessions as there is a lot to do here.
e.g. 93+58+90. (80 questions)
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The task here is to add two three-digit numbers. Again, it will probably help to cut these worksheets into strips and / or complete them over several sessions.
e.g. 957+926. (60 questions)
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Addition: Bridging Through Ten
These worksheets are designed to give learners practice adding through a tens barrier, e.g. for questions such as 49 + 5, the answer (54) is on the other side of 50 (so 50 would be the tens barrier in this case).
The worksheets can be cut into 3 strips of 12 questions, making 27 strips- each labelled with a letter from A-Z (plus a smiley face on the 9th worksheet).
Sections A, B & C - 36 questions
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Sections D, E & F - 36 questions
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Sections G, H & I - 36 questions
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Sections J, K & L - 36 questions
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Sections M, N & O - 36 questions
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Sections P, Q & R - 36 questions
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Sections S, T & U - 36 questions
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Sections V, W & X - 36 questions
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Sections Y, Z & *smiley face* - 36 questions
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This worksheet includes 24 questions involving 3 digit or 4 digit numbers.
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Another 24 questions...
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Here the task is to calculate the unknown in a number sentence. Each completed number sentence involves two small numbers which add up to no more than 20.
e.g. _+9=11. (90 questions)
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Here are further questions involving an unknown in a number sentence.
e.g. _+9=66. (90 questions)
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