Whole-Number Addition/Subtraction - ISEE Lower Level: Mathematics Achievement
Card 1 of 25
What is the sum $4{,}321 + 678$?
What is the sum $4{,}321 + 678$?
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$4{,}999$. Addition aligns place values, with carries in units, tens, and hundreds resulting in all 9s.
$4{,}999$. Addition aligns place values, with carries in units, tens, and hundreds resulting in all 9s.
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What is the difference $9{,}000 - 4{,}567$?
What is the difference $9{,}000 - 4{,}567$?
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$4{,}433$. Subtraction aligns place values, requires borrowing from thousands for each lower place.
$4{,}433$. Subtraction aligns place values, requires borrowing from thousands for each lower place.
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What is the sum $7{,}070 + 930$?
What is the sum $7{,}070 + 930$?
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$8{,}000$. Addition aligns place values, with carries from units and tens to reach a round thousand.
$8{,}000$. Addition aligns place values, with carries from units and tens to reach a round thousand.
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What is the sum $8 + 7$?
What is the sum $8 + 7$?
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$15$. Addition combines the two single-digit numbers directly without carrying.
$15$. Addition combines the two single-digit numbers directly without carrying.
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What is the difference $15 - 9$?
What is the difference $15 - 9$?
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$6$. Subtraction finds the difference by taking away 9 from 15 without borrowing.
$6$. Subtraction finds the difference by taking away 9 from 15 without borrowing.
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What is the sum $36 + 48$?
What is the sum $36 + 48$?
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$84$. Addition aligns place values, adds units (6+8=14, carry 1), then tens (3+4+1=8).
$84$. Addition aligns place values, adds units (6+8=14, carry 1), then tens (3+4+1=8).
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What is the difference $72 - 35$?
What is the difference $72 - 35$?
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$37$. Subtraction aligns place values, subtracts units (2-5 requires borrow, 12-5=7), then tens (6-3=3).
$37$. Subtraction aligns place values, subtracts units (2-5 requires borrow, 12-5=7), then tens (6-3=3).
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What is the sum $125 + 79$?
What is the sum $125 + 79$?
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$204$. Addition aligns place values, carries over from units (5+9=14) and tens (2+7+1=10) to hundreds.
$204$. Addition aligns place values, carries over from units (5+9=14) and tens (2+7+1=10) to hundreds.
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What is the difference $300 - 168$?
What is the difference $300 - 168$?
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$132$. Subtraction aligns place values, borrows for units (0-8) and tens (0-6) from hundreds.
$132$. Subtraction aligns place values, borrows for units (0-8) and tens (0-6) from hundreds.
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What is the sum $407 + 95$?
What is the sum $407 + 95$?
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$502$. Addition aligns place values, carries from units (7+5=12) and tens (0+9+1=10) to hundreds.
$502$. Addition aligns place values, carries from units (7+5=12) and tens (0+9+1=10) to hundreds.
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What is the difference $1{,}000 - 475$?
What is the difference $1{,}000 - 475$?
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$525$. Subtraction aligns place values, borrows across zeros for units (0-5) and tens (0-7) from thousands.
$525$. Subtraction aligns place values, borrows across zeros for units (0-5) and tens (0-7) from thousands.
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What is the sum $9{,}999 + 1$?
What is the sum $9{,}999 + 1$?
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$10{,}000$. Addition of 1 to 9,999 causes carrying over through all digits to reach the next power of 10.
$10{,}000$. Addition of 1 to 9,999 causes carrying over through all digits to reach the next power of 10.
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What is the sum $560 + 440$?
What is the sum $560 + 440$?
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$1{,}000$. Addition aligns place values, with carrying from tens (6+4=10) to hundreds.
$1{,}000$. Addition aligns place values, with carrying from tens (6+4=10) to hundreds.
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What is the difference $5{,}000 - 2{,}938$?
What is the difference $5{,}000 - 2{,}938$?
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$2{,}062$. Subtraction aligns place values, borrows across multiple zeros from the thousands place.
$2{,}062$. Subtraction aligns place values, borrows across multiple zeros from the thousands place.
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What is the sum $2{,}346 + 1{,}709$?
What is the sum $2{,}346 + 1{,}709$?
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$4{,}055$. Addition aligns place values, carries over multiple times from units through thousands.
$4{,}055$. Addition aligns place values, carries over multiple times from units through thousands.
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What is the difference $10{,}000 - 1$?
What is the difference $10{,}000 - 1$?
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$9{,}999$. Subtraction of 1 from 10,000 requires borrowing across all place values.
$9{,}999$. Subtraction of 1 from 10,000 requires borrowing across all place values.
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What is the sum $12{,}345 + 54{,}321$?
What is the sum $12{,}345 + 54{,}321$?
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$66{,}666$. Addition aligns place values, resulting in 6 in each digit due to the specific number patterns.
$66{,}666$. Addition aligns place values, resulting in 6 in each digit due to the specific number patterns.
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What is the difference $800 - 275$?
What is the difference $800 - 275$?
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$525$. Subtraction aligns place values, requires borrowing for units and tens from hundreds.
$525$. Subtraction aligns place values, requires borrowing for units and tens from hundreds.
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What is the sum $3{,}508 + 492$?
What is the sum $3{,}508 + 492$?
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$4{,}000$. Addition aligns place values, with multiple carries leading to a round number.
$4{,}000$. Addition aligns place values, with multiple carries leading to a round number.
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What is the difference $6{,}200 - 1{,}200$?
What is the difference $6{,}200 - 1{,}200$?
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$5{,}000$. Subtraction aligns place values, subtracting equal amounts from thousands and hundreds without borrowing.
$5{,}000$. Subtraction aligns place values, subtracting equal amounts from thousands and hundreds without borrowing.
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What is the sum $999 + 999$?
What is the sum $999 + 999$?
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$1{,}998$. Addition of two 999s requires carrying 1 from each place value to the next.
$1{,}998$. Addition of two 999s requires carrying 1 from each place value to the next.
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What is the difference $1{,}500 - 999$?
What is the difference $1{,}500 - 999$?
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$501$. Subtraction aligns place values, requires borrowing across places to subtract 999.
$501$. Subtraction aligns place values, requires borrowing across places to subtract 999.
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What is the difference $2{,}000 - 1{,}999$?
What is the difference $2{,}000 - 1{,}999$?
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$1$. Subtraction of 1,999 from 2,000 requires borrowing across all places, leaving 1.
$1$. Subtraction of 1,999 from 2,000 requires borrowing across all places, leaving 1.
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What is the sum $6{,}666 + 3{,}334$?
What is the sum $6{,}666 + 3{,}334$?
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$10{,}000$. Addition aligns place values, with carries in every place leading to 10,000.
$10{,}000$. Addition aligns place values, with carries in every place leading to 10,000.
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What is the difference $4{,}000 - 2{,}005$?
What is the difference $4{,}000 - 2{,}005$?
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$1{,}995$. Subtraction aligns place values, requires borrowing from thousands for units and subsequent places.
$1{,}995$. Subtraction aligns place values, requires borrowing from thousands for units and subsequent places.
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