Grade 3/4 Subtraction Strategies (2018)

Base Ten Blocks & Chart

100

Using base ten blocks, 8274 - 4120 =……

What is 4154 drawn using four thousand cubes, one hundred squares, five tens sticks and four ones?

200

Using base ten blocks, 3624 - 1215 =……

What is 2409 drawn using two thousand cubes, four hundreds squares, zero tens sticks and nine ones?

300

Using base ten blocks, 5286 - 2139 =……

What is 3147 drawn using three thousand cubes, one hundreds square, four tens sticks and seven ones?

400

Using the strategy of chart, 8976 - 2151...

What is 6825 drawn in a chart with six tallies in the thousands column, eight tallies in the hundreds column, two tallies in the tens column and five tallies in the ones column?

500

Using the strategy of chart, 3448 - 1219 = ……

What is 2229 drawn in a chart with two tallies in the thousands column, two tallies in the hundreds column, two tallies in the tens column and nine tallies in the ones column?

Number Line

100

Using the strategy of a number line, 8472 - 3130 = …..

What is a number line drawn with 8472 at the right hand side, then a bump drawn taking away three thousand, a bump taking away one hundred, a bump taking away thirty which results in the answer being 5342?

200

Using the strategy of a number line, 9273 - 1051 = …..

What is a number line drawn with 9273 at the right hand side, then a bump drawn taking away one thousand, a bump taking away fifty, a bump taking away 1 which results in the answer being 8222?

300

Using the strategy of a number line, 8372 - 6111 = …..

What is a number line drawn with 8372 at the right hand side, then a bump drawn taking away six thousand, a bump taking away one hundred, a bump taking away ten, a bump taking away 1 which results in the answer being 2261?

400

Using the strategy of a number line, 8964 - 1321 = …..

What is a number line drawn with 8964 at the right hand side, then a bump drawn taking away eight thousand, a bump taking away nine hundred, a bump taking away sixty, a bump taking away 4 which results in the answer being 2261?

500

Using the strategy of a number line, 5964 - 3122 = …..

What is a number line drawn with 5964 at the right hand side, then a bump drawn taking away three thousand, a bump taking away one hundred, a bump taking away twenty, a bump taking away 2 which results in the answer being 2482?

Splitting & Expanded Form

100

Using the strategy of splitting, 8765 - 4123 =…..

What are lines drawn to connect the thousands, hundreds, tens and ones then put together to equal 4742?

200

Using the strategy of splitting, 9537 - 1231 =…..

What are lines drawn to connect the thousands, hundreds, tens and ones then put together to equal 8306?

300

Using the strategy of splitting, 6294 - 3131 =…..

What are lines drawn to connect the thousands, hundreds, tens and ones then put together to equal 3163?

400

Using the strategy of expanded form, 9257 - 3123 =…..

What is the number written as 9000 + 200 + 50 + 7 and 3000 + 100 + 200 + 3 then with the thousands, hundreds, tens and ones subtracted to equal 6134?

500

Using the strategy of expanded form, 6825 - 5213=…..

What is the number written as 6000 + 800 + 20 + 5 and 5000 + 200 + 10 + 3 then with the thousands, hundreds, tens and ones subtracted to equal 1612?

Left to Right

100

Using the strategy of left to right, 9572 - 3210 =….

What is the thousands subtracted to equal 6000, then written below is the hundreds subtracted to equal 300, then written below that is the tens subtracted to equal 60, then written below that is the ones subtracted to equal 2 for a grand total of 6362?

200

Using the strategy of left to right, 4628 - 1213 =…

What is the thousands subtracted to equal 3000, then written below is the hundreds subtracted to equal 400, then written below that is the tens subtracted to equal 10, then written below that is the ones subtracted to equal 5 for a grand total of 3415?

300

Using the strategy of left to right, 8498 - 2135 =…

What is the thousands subtracted to equal 6000, then written below is the hundreds subtracted to equal 300, then written below that is the tens subtracted to equal 60, then written below that is the ones subtracted to equal 3 for a grand total of 6363?

400

Using the strategy of left to right, 3289 - 1041 =…

What is the thousands subtracted to equal 2000, then written below is the hundreds subtracted to equal 200, then written below that is the tens subtracted to equal 40, then written below that is the ones subtracted to equal 8 for a grand total of 2248?

500

Using the strategy of left to right, 5724 - 1210 =…

What is the thousands subtracted to equal 4000, then written below is the hundreds subtracted to equal 500, then written below that is the tens subtracted to equal 10, then written below that is the ones subtracted to equal 4 for a grand total of 4514?

Algorithm

100

Using the strategy of algorithm, 4251 - 2110 =….

What is 2141?

200

Using the strategy of algorithm, 8287 - 5134 =….

What is 3153?

300

Using the strategy of algorithm, 9234 - 1622 =….

What is 7612?

400

Using the strategy of algorithm, 4821 - 3517 =….

What is 1304?

500

Using the strategy of algorithm, 8747 - 2194 =….

What is 6553?