Foundation June 2022 Paper 1 Q15

EdexcelCurrent spec3 marksRounding

(a) Work out an estimate for the value of \(92 \times 1.63\)
You must show all your working. (2)

Given that \(2.96 \times 3.2 = 9.472\)

(b) find the value of \(29.6 \times 32\) (1)

Mark scheme (a)

Answer	Mark	Mark scheme
180	M1	rounds one figure appropriately 92 to 90 or 100 or 1.63 to 2 or 1.5 or 1.6 or 1.7
180	A1	for 180 \((= 90 \times 2)\) or 135 \((= 90 \times 1.5)\) or 144 \((= 90 \times 1.6)\) or 153 \((= 90 \times 1.7)\) or 200 \((= 100 \times 2)\) or 150 \((= 100 \times 1.5)\) or 160 \((= 100 \times 1.6)\) or 170 \((= 100 \times 1.7)\) or 163 \((= 100 \times 1.63)\) or 184 \((= 92 \times 2)\) or 138 \((= 92 \times 1.5)\) or 147.2 \((= 92 \times 1.6)\) or 156.4 \((= 92 \times 1.7)\)

Answer of 149.96 \((92 \times 1.63)\) gets M0A0

Answer with no working gets M0A0
Ignore further rounding of their result