⏱ 0.0sM@mr.deanLv 3#mental-math#multi-part🔁 Double and halve — evaluate each:2×64=2 \times 64 =2×64=128÷2=128 \div 2 =128÷2=2×256=2 \times 256 =2×256=1000÷8=1000 \div 8 =1000÷8=Check all