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AA/AM
STRATEGY
W.A.L.T.
Number:
Addition/Subtraction
Choose appropriately from a broad range of mental strategies to estimate answers and solve addition and subtraction problems involving decimals, integers, and related fractions. Use multiplication and division to solve addition and subtraction problems with whole numbers.
Multiplication/Division
Choose appropriately from a broad range of mental strategies to estimate answers and solve multiplication and division problems. These strategies involve partitioning one or more of the factors in multiplication, and applying reversibility to solve division problems, particularly those involving missing factors and remainders. The partitioning may be additive or multiplicative.
Fractions/Ratios/Proportions
Use a range of multiplication and division strategies to estimate answers and solve problems with fractions, proportions, and ratios. These strategies involve linking division to fractional answers, e.g.,11÷3=11/3 =3 2/3
e.g., 13 ÷ 5 = (10 ÷ 5) + (3 ÷ 5) = 2 3/5
Find simple equivalent fractions and rename common fractions as decimals and percentages.
Measurement:
Use metric and other standard measures
Make simple conversions between units, using decimals
Use side or edge lengths to find the perimeters and areas of rectangles, parallelograms, and triangles and the volumes of cuboids
KNOWLEDGE
Round whole numbers and decimals with up to two places to the nearest whole number.
Know equivalent fractions and proportions for 1/2s, 1/3s, 1/4s, 1/5s, 1/10s with denominators of 10, 100, 1000, eg. 1/4 = 25/100.
Convert fractions <—> decimal <—> percentages for halves, thirds, quarters, fifths, and tenths, e.g., 3/4 = 0.75 = 75%.
Know the basic +/-/x/÷ facts
Order decimals up to three places, eg. 6.25 and 6.3
Know how many 10s, 100’s or 1000’s in numbers up to 1 000,000, eg. tens in 47 562