A Standard Written Form for Addition
Solve addition and subtraction problems using decomposition, leading to a written algorithm.
Number Framework Stage 6
Problem: “Work out 235 + 386 in a standard written method.”
Record the following on the board or modelling book and discuss the reason for every step.
Examples: 234 + 478 459 + 328 308 + 536 889 + 67 ...
Using Imaging
Problem: “Find 235 + 487 by a standard written method.
Use a compact form
Discuss how five and seven produce two ones and one 10 and 12 tens produce two tens and one hundred.
Examples: 484 + 468, 279 + 326, 508 + 536, 89 + 557, 367 + 902, 78 + 970 ...
Using Number Properties
Examples: Find the answers by using a standard written form: 3 404 + 478, 4 079 + 2 327, 588 + 4 536, 59 + 4 556, 3 268 + 8 902, 78 + 970 ...
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You Don't Need the Number
Solve addition problems by using compatible numbers.
Close to 100
Recall the number of tens and hundreds in 100s and 1000s.
Identify symbols for any fraction, including tenths, hundredths, thousandths, and those greater than 1.
Solve addition and subtraction problems using decomposition, leading to a written algorithm
Multiple Ways to Add and Subtract
Use multiplication to solve addition and subtraction problems.
